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Heme Oxygenase-1 Regulates The Immune Response To Influenza Virus Infection And Vaccination In Aged Mice, Nathan W. Cummins, Eric A. Weaver, Shannon M. May, Anthony J. Croatt, Oded Foreman, Richard B. Kennedy, Gregory A. Poland, Michael A. Barry, Karl A. Nath, Andrew D. Badley Mar 2012

Heme Oxygenase-1 Regulates The Immune Response To Influenza Virus Infection And Vaccination In Aged Mice, Nathan W. Cummins, Eric A. Weaver, Shannon M. May, Anthony J. Croatt, Oded Foreman, Richard B. Kennedy, Gregory A. Poland, Michael A. Barry, Karl A. Nath, Andrew D. Badley

Nebraska Center for Virology: Faculty Publications

Underlying mechanisms of individual variation in severity of influenza infection and response to vaccination are poorly understood. We investigated the effect of reduced heme oxygenase-1 (HO-1) expression on vaccine response and outcome of influenza infection. HO-1-deficient and wild-type (WT) mice (kingdom, Animalia; phylum, Chordata; genus/species, Mus musculus) were infected with influenza virus A/PR/8/34 with or without prior vaccination with an adenoviral-based influenza vaccine. A genome-wide association study evaluated the expression of single-nucleotide polymorphisms (SNPs) in the HO-1 gene and the response to influenza vaccination in healthy humans. HO-1-deficient mice had decreased survival after influenza infection compared to WT mice (median …


The Origin Of Malarial Parasites In Orangutans, M. Andreína Pacheco, Michael J.C. Reid, Michael A. Schillaci, Carl A. Lowenberger, Biruté M. F. Galdikas, Lisa Jones-Engel, Ananias A. Escalante Mar 2012

The Origin Of Malarial Parasites In Orangutans, M. Andreína Pacheco, Michael J.C. Reid, Michael A. Schillaci, Carl A. Lowenberger, Biruté M. F. Galdikas, Lisa Jones-Engel, Ananias A. Escalante

Harold W. Manter Laboratory of Parasitology: Library Materials

Background: Recent findings of Plasmodium in African apes have changed our perspectives on the evolution of malarial parasites in hominids. However, phylogenetic analyses of primate malarias are still missing information from Southeast Asian apes. In this study, we report molecular data for a malaria parasite lineage found in orangutans.

Methodology/Principal Findings: We screened twenty-four blood samples from Pongo pygmaeus (Kalimantan, Indonesia) for Plasmodium parasites by PCR. For all the malaria positive orangutan samples, parasite mitochondrial genomes (mtDNA) and two antigens: merozoite surface protein 1 42 kDa (MSP-142) and circumsporozoite protein gene (CSP) were amplified, cloned, and …


Causes Of Pneumonia Epizootics Among Bighorn Sheep, Western United States, 2008–2010, Thomas E. Besser, Margaret A. Highland, Katherine Baker, E. Frances Cassirer, Neil J. Anderson, Jennifer M. Ramsey, Kristin Mansfield, Darren L. Bruning, Peregrine Wolff, Joshua B. Smith, Jonathan A. Jenks Mar 2012

Causes Of Pneumonia Epizootics Among Bighorn Sheep, Western United States, 2008–2010, Thomas E. Besser, Margaret A. Highland, Katherine Baker, E. Frances Cassirer, Neil J. Anderson, Jennifer M. Ramsey, Kristin Mansfield, Darren L. Bruning, Peregrine Wolff, Joshua B. Smith, Jonathan A. Jenks

United States Department of Agriculture Wildlife Services: Staff Publications

Epizootic pneumonia of bighorn sheep is a devastating disease of uncertain etiology. To help clarify the etiology, we used culture and culture-independent methods to compare the prevalence of the bacterial respiratory pathogens Mannheimia haemolytica, Bibersteinia trehalosi, Pasteurella multocida, and Mycoplasma ovipneumoniae in lung tissue from 44 bighorn sheep from herds affected by 8 outbreaks in the western United States. M. ovipneumoniae, the only agent detected at significantly higher prevalence in animals from outbreaks (95%) than in animals from unaffected healthy populations (0%), was the most consistently detected agent and the only agent that exhibited single strain …


Environmental And Demographic Determinants Of Avian Influenza Viruses In Waterfowl Across The Contiguous United States, Matthew Farnsworth, Ryan S. Miller, Kerri Pedersen, Mark W. Lutman, Seth R. Swafford, Philip D. Riggs, Colleen T. Webb Mar 2012

Environmental And Demographic Determinants Of Avian Influenza Viruses In Waterfowl Across The Contiguous United States, Matthew Farnsworth, Ryan S. Miller, Kerri Pedersen, Mark W. Lutman, Seth R. Swafford, Philip D. Riggs, Colleen T. Webb

United States Department of Agriculture Wildlife Services: Staff Publications

Outbreaks of avian influenza in North American poultry have been linked to wild waterfowl. A first step towards understanding where and when avian influenza viruses might emerge from North American waterfowl is to identify environmental and demographic determinants of infection in their populations. Laboratory studies indicate water temperature as one determinant of environmental viral persistence and we explored this hypothesis at the landscape scale. We also hypothesized that the interval apparent prevalence in ducks within a local watershed during the overwintering season would influence infection probabilities during the following breeding season within the same local watershed. Using avian influenza virus …


The Evolutionary Host Switches Of Polychromophilus: A Multi-Gene Phylogeny Of The Bat Malaria Genus Suggests A Second Invasion Of Mammals By A Haemosporidian Parasite, Fardo Witsenburg, Nicolas Salamin, Philippe Christe Feb 2012

The Evolutionary Host Switches Of Polychromophilus: A Multi-Gene Phylogeny Of The Bat Malaria Genus Suggests A Second Invasion Of Mammals By A Haemosporidian Parasite, Fardo Witsenburg, Nicolas Salamin, Philippe Christe

Harold W. Manter Laboratory of Parasitology: Library Materials

Background: The majority of Haemosporida species infect birds or reptiles, but many important genera, including Plasmodium, infect mammals. Dipteran vectors shared by avian, reptilian and mammalian Haemosporida, suggest multiple invasions of Mammalia during haemosporidian evolution; yet, phylogenetic analyses have detected only a single invasion event. Until now, several important mammal-infecting genera have been absent in these analyses. This study focuses on the evolutionary origin of Polychromophilus, a unique malaria genus that only infects bats (Microchiroptera) and is transmitted by bat flies (Nycteribiidae).

Methods: Two species of Polychromophilus were obtained from wild bats caught in Switzerland. These …


Three Pathogens In Sympatric Populations Of Pumas, Bobcats, And Domestic Cats: Implications For Infectious Disease Transmission, Sarah N. Bevins, Scott Carver, Erin E. Boydston, Lisa M. Lyren, Mat Alldredge, Kenneth A. Logan, Seth P. D. Riley, Robert N. Fisher, T. Winston Vickers, Walter Boyce, Mo Salman, Michael R. Lappin, Kevin R. Crooks, Sue Vandewoude Feb 2012

Three Pathogens In Sympatric Populations Of Pumas, Bobcats, And Domestic Cats: Implications For Infectious Disease Transmission, Sarah N. Bevins, Scott Carver, Erin E. Boydston, Lisa M. Lyren, Mat Alldredge, Kenneth A. Logan, Seth P. D. Riley, Robert N. Fisher, T. Winston Vickers, Walter Boyce, Mo Salman, Michael R. Lappin, Kevin R. Crooks, Sue Vandewoude

United States Department of Agriculture Wildlife Services: Staff Publications

Anthropogenic landscape change can lead to increased opportunities for pathogen transmission between domestic and non-domestic animals. Pumas, bobcats, and domestic cats are sympatric in many areas of North America and share many of the same pathogens, some of which are zoonotic. We analyzed bobcat, puma, and feral domestic cat samples collected from targeted geographic areas. We examined exposure to three pathogens that are taxonomically diverse (bacterial, protozoal, viral), that incorporate multiple transmission strategies (vector-borne, environmental exposure/ ingestion, and direct contact), and that vary in species-specificity. Bartonella spp., Feline Immunodeficiency Virus (FIV), and Toxoplasma gondii IgG were detected in all three …


Predicting The In Vivo Mechanism Of Action For Drug Leads Using Nmr Metabolomics, Steven M. Halouska, Robert J. Fenton, Raúl G. Barletta, Robert Powers Jan 2012

Predicting The In Vivo Mechanism Of Action For Drug Leads Using Nmr Metabolomics, Steven M. Halouska, Robert J. Fenton, Raúl G. Barletta, Robert Powers

Robert Powers Publications

New strategies are needed to circumvent increasing outbreaks of resistant strains of pathogens and to expand the dwindling supply of effective antimicrobials. A common impediment to drug development is the lack of an easy approach to determine the in vivo mechanism of action and efficacy of novel drug leads. Towards this end, we describe an unbiased approach to predict in vivo mechanisms of action from NMR metabolomics data. Mycobacterium smegmatis, a nonpathogenic model organism for Mycobacterium tuberculosis, was treated with 12 known drugs and 3 chemical leads identified from a cell-based assay. NMR analysis of drug-induced changes to …


Utility Of Improvised Video-Camera Collars For Collecting Contact Data From White-Tailed Deer: Possibilities In Disease Transmission Studies, Michael J. Lavelle, Scott E. Hygnstrom, Aaron M. Hildreth, Tyler A. Campbell, David B. Long, David G. Hewitt, Jeff Beringer, K. C. Vercauteren Jan 2012

Utility Of Improvised Video-Camera Collars For Collecting Contact Data From White-Tailed Deer: Possibilities In Disease Transmission Studies, Michael J. Lavelle, Scott E. Hygnstrom, Aaron M. Hildreth, Tyler A. Campbell, David B. Long, David G. Hewitt, Jeff Beringer, K. C. Vercauteren

School of Natural Resources: Faculty Publications

Rapidly evolving electronic technology enables wildlife researchers to collect previously unobtainable data. To explore possibilities of using deer-borne cameras (DBCs) to collect behavioral data from an animal’s point of view, we constructed DBCs and deployed them on 26 adult male whitetailed deer (Odocoileus virginianus) within a closed population (405-ha fenced area) in southern Texas just prior to the breeding season during autumn 2010. Our DBCs consisted of global positioning system collars with attached motion-activated trail cameras. We obtained 21,474 video clips from 17 functional DBCs over a period of 14 days. Individual-based data are invaluable in disease and …


Relações Entre As Doenças Respiratórias E A Poluição Atmosférica E Variáveis Climáticas Na Cidade De Curitiba, Paraná, Brasil, Paulo R.B. Guimarães, Ricardo Berger, Fernando Lucambio Perez, Paulo Dt Dl Pires Jan 2012

Relações Entre As Doenças Respiratórias E A Poluição Atmosférica E Variáveis Climáticas Na Cidade De Curitiba, Paraná, Brasil, Paulo R.B. Guimarães, Ricardo Berger, Fernando Lucambio Perez, Paulo Dt Dl Pires

Daugherty Water for Food Global Institute: Faculty Publications

Neste estudo, foram observados níveis de concentrações de poluentes atmosféricos da cidade de Curitiba, no período de novembro de 2003 a junho de 2008, da estação automática de monitoramento da praça Ouvidor Pardinho. O objetivo foi desenvolver uma metodologia de modelagem estatística que explique o número de notificações de doenças respiratórias registradas em idosos (acima de 60 anos) e crianças (abaixo de 5 anos). Além das concentrações de poluentes, algumas variáveis climáticas foram analisadas. Após estudo de diversas metodologias estatísticas, considerou-se mais adequado o ajuste de Modelos Aditivos Generalizados para Locação, Escala e Forma. Os modelos ajustados apresentaram resultados satisfatórios …


Strategies For Wildlife Disease Surveillance, Jonathan M. Sleeman, Christopher J. Brand, Scott D. Wright Jan 2012

Strategies For Wildlife Disease Surveillance, Jonathan M. Sleeman, Christopher J. Brand, Scott D. Wright

United States Geological Survey: Staff Publications

Epidemiologic surveillance is defined by the Centers for Disease Control and Prevention (CDC) as the "ongoing systematic and continuous collection, analysis, and interpretation of health data': The objective of surveillance is to generate data for rapid response to the detection of a disease of concern to apply prevention, control, or eradication measures as well as to evaluate such interventions. This is distinct from disease monitoring, which usually does not involve a particular response to disease detection.

Surveillance for wildlife diseases has increased in importance due to the emergence and re-emergence of wildlife diseases that are threats to human, animal, and …


Drosophila Melanogaster Selection For Survival Of Bacillus Cereus Infection: Life History Trait Indirect Responses, Junjie Ma, Andrew K. Benson, Stephen D. Kachman, Zhen Hu, Lawrence G. Harshman Jan 2012

Drosophila Melanogaster Selection For Survival Of Bacillus Cereus Infection: Life History Trait Indirect Responses, Junjie Ma, Andrew K. Benson, Stephen D. Kachman, Zhen Hu, Lawrence G. Harshman

Department of Statistics: Faculty Publications

To study evolved resistance/tolerance in an insect model, we carried out an experimental evolution study using D. melanogaster and the opportunistic pathogen B. cereus as the agent of selection. The selected lines evolved a 3.0- to 3.3-log increase in the concentration of spores required for 50% mortality after 18–24 generations of selection. In the absence of any treatment, selected lines evolved an increase in egg production and delayed development time. The latter response could be interpreted as a cost of evolution. Alternatively, delayed development might have been a target of selection resulting in increased adult fat body function including production …


Evaluation Of Commonly Used Antimicrobial Interventions For Fresh Beef Inoculated With Shiga Toxin–Producing Escherichia Coli Serotypes O26, O45, O103, O111, O121, O145, And O157:H7, Norasak Kalchayanand, Terrance M. Arthur, Joseph M. Bosilevac, John W. Schmidt, Rong Wang, Steven D. Shackelford, Tommy L. Wheeler Jan 2012

Evaluation Of Commonly Used Antimicrobial Interventions For Fresh Beef Inoculated With Shiga Toxin–Producing Escherichia Coli Serotypes O26, O45, O103, O111, O121, O145, And O157:H7, Norasak Kalchayanand, Terrance M. Arthur, Joseph M. Bosilevac, John W. Schmidt, Rong Wang, Steven D. Shackelford, Tommy L. Wheeler

Roman L. Hruska U.S. Meat Animal Research Center: Reports

Although numerous antimicrobial interventions targeting Escherichia coli O157:H7 have been developed and implemented to decontaminate meat and meat products during the harvesting process, the information on efficacy of these interventions against the so-called Big Six non-O157 Shiga toxin–producing E. coli (STEC) strains is limited. Prerigor beef flanks (160) were inoculated to determine if antimicrobial interventions currently used by the meat industry have a similar effect in reducing non-O157 STEC serogroups O26, O45, O103, O111, O121, and O145 compared with E. coli O157:H7. A high (104 CFU/cm2) or a low (101 CFU/cm2) inoculation of two …


The Historical, Present, And Future Role Of Veterinarians In One Health, Samantha E.J. Gibbs, Paul J. Gibbs Jan 2012

The Historical, Present, And Future Role Of Veterinarians In One Health, Samantha E.J. Gibbs, Paul J. Gibbs

United States Fish and Wildlife Service: Publications

The renewed interest in the concept of One Health has occurred as a result of the increased emergence of zoonotic infectious diseases over the past decade. The subsequent impacts of these diseases on human, livestock, and wildlife health, as well as the economic effects, have given international health organizations and national governments a greater appreciation of the importance of collaborative efforts in solving health problems. The One Health concept is not new, but under its umbrella, a new generation of veterinarians, physicians, ecologists, biologists, and social scientists is shaping the concept in novel ways. This has led to increased support …


Diagnosis Of Porcine Teschovirus Encephalomyelitis In The Republic Of Haiti, Ming Y. Deng, Max Millien, Rodney Jacques-Simon, J. Keith Flanagan, Alexa J. Bracht, Consuelo Corrillo, Roger W. Barrette, Andrew Fabian, Fawzi Mohamed, Karen Moran, Jessica Rowland, Sabrina L. Swenson, Melinda Jenkins-Moore, Leo Koster, Bruce V. Thomsen, Gregory Mayr, Dave Pyburn, Paula Morales, John Shaw, Thomas Burrage, William White, Michael T. Mcintosh, Samia Metwally Jan 2012

Diagnosis Of Porcine Teschovirus Encephalomyelitis In The Republic Of Haiti, Ming Y. Deng, Max Millien, Rodney Jacques-Simon, J. Keith Flanagan, Alexa J. Bracht, Consuelo Corrillo, Roger W. Barrette, Andrew Fabian, Fawzi Mohamed, Karen Moran, Jessica Rowland, Sabrina L. Swenson, Melinda Jenkins-Moore, Leo Koster, Bruce V. Thomsen, Gregory Mayr, Dave Pyburn, Paula Morales, John Shaw, Thomas Burrage, William White, Michael T. Mcintosh, Samia Metwally

Zoonotics and Wildlife Disease: Publications

In February and March 2009, approximately 1,500 backyard pigs of variable age became sick, and approximately 700 of them died or were euthanized in the Lower Artibonite Valley and the Lower Plateau of the Republic of Haiti. The main clinical sign was posterior ataxia followed by paresis and/or paralysis on the second or third day of illness. No gross lesions were observed at postmortem examinations. The morbidity and mortality were approximately 60% and 40%, respectively. Diagnostic samples (whole blood, brain, tonsil, lymph nodes, spleen, and lung) were negative for Classical swine fever virus and African swine fever virus. Porcine …


Proportional Mouse Model For Aerosol Infection By Influenza, R. S. Mcdonald, A. R. Sambol, B. K. Heimbuch, T. L. Brown, S. H. Hinrichs, J. D. Wander Jan 2012

Proportional Mouse Model For Aerosol Infection By Influenza, R. S. Mcdonald, A. R. Sambol, B. K. Heimbuch, T. L. Brown, S. H. Hinrichs, J. D. Wander

United States Air Force: Publications

Aims: The aim of this study was to demonstrate a prototype tool for measuring infectivity of an aerosolized human pathogen – influenza A/PR/8/34 (H1N1) virus – using a small-animal model in the Controlled Aerosol Test System (CATS). Methods and Results: Intranasal inoculation of nonadapted H1N1 virus into C57BL, BALB/c and CD-1 mice caused infection in all three species. Respiratory exposure of CD-1 mice to the aerosolized virus at graduated doses was accomplished in a modified rodent exposure apparatus. Weight change was recorded for 7 days postexposure, and viral populations in lung tissue homogenates were measured post mortem by DNA …


American Society Of Parasitologists Newsletter, V. 34, No. 2, Winter 2012, Scott Lyell Gardner Jan 2012

American Society Of Parasitologists Newsletter, V. 34, No. 2, Winter 2012, Scott Lyell Gardner

American Society of Parasitologists: Newsletter

American Society of Parasitologists Newsletter, v. 34, no. 2, winter 2012


Health Status, Infection And Disease In California Sea Lions (Zalophus Californianus) Studied Using A Canine Microarray Platform And Machine-Learning Approaches, Annalaura Mancia, James C. Ryan, Robert W. Chapman, Qingzhong Wu, Gregory W. Warr, Frances M.D. Gulland, Frances M. Van Dolah Jan 2012

Health Status, Infection And Disease In California Sea Lions (Zalophus Californianus) Studied Using A Canine Microarray Platform And Machine-Learning Approaches, Annalaura Mancia, James C. Ryan, Robert W. Chapman, Qingzhong Wu, Gregory W. Warr, Frances M.D. Gulland, Frances M. Van Dolah

United States Department of Commerce: Staff Publications

Conservation biologists face many challenges in assessing health, immune status and infectious diseases in protected species. These challenges include unpredictable sample populations, diverse genetic and environmental backgrounds of the animals, as well as the practical, legal and ethical issues involved in experimentation. The use of whole genome scale transcriptomics with animal samples obtained in a minimally invasive manner is an approach that shows promise for health assessment. In this study we assessed the utility of a microarray to identify changes in gene expression predictive of health status by interrogating blood samples from California sea lions (Zalophus californianus) in …


Disease Will Limit Future Food Supply From The Global Crustacean Fishery And Aquaculture Sectors, G.D. Stentiford, D.M. Neil, E.J. Peeler, J.D. Shields, H.J. Small, T.W. Flegel, J.M. Vlak, B. Jones, F. Morado, S. Moss, J. Lotz, L. Bartholomay, D.C. Behringer, C. Hauton, D.V. Lightner Jan 2012

Disease Will Limit Future Food Supply From The Global Crustacean Fishery And Aquaculture Sectors, G.D. Stentiford, D.M. Neil, E.J. Peeler, J.D. Shields, H.J. Small, T.W. Flegel, J.M. Vlak, B. Jones, F. Morado, S. Moss, J. Lotz, L. Bartholomay, D.C. Behringer, C. Hauton, D.V. Lightner

United States Department of Commerce: Staff Publications

Seafood is a highly traded food commodity. Farmed and captured crustaceans contribute a significant proportion with annual production exceeding 10 M metric tonnes with first sale value of $40bn. The sector is dominated by farmed tropical marine shrimp, the fastest growing sector of the global aquaculture industry. It is significant in supporting rural livelihoods and alleviating poverty in producing nations within Asia and Latin America while forming an increasing contribution to aquatic food supply in more developed countries. Nations with marine borders often also support important marine fisheries for crustaceans that are regionally traded as live animals and commodity products. …


Missed Visits And Decline In Cd4 Cell Count Among Hiv-Infected Patients: A Mixed Method Study, Anna Walburn, Susan Swindles, Christopher Fisher, Robin High, K. M. Islam Jan 2012

Missed Visits And Decline In Cd4 Cell Count Among Hiv-Infected Patients: A Mixed Method Study, Anna Walburn, Susan Swindles, Christopher Fisher, Robin High, K. M. Islam

Uniformed Services University of the Health Sciences

Objective: To determine the impact of missed visits on CD4 cell count with HIV disease in a Midwest clinic. Methods: This was a mixed method study consisting of a quantitative retrospective cohort study of missed clinic visits among HIV-infected patients, and a qualitative study to collect information on factors impacting appointment attendance. A drop in CD4 cell count greater than 50 cells/mm3 from baseline was the primary outcome variable for the quantitative study. The exposure variable was missed visits. Results: Of 77 patients, 16.4% experienced the outcome of interest. Lower visit proportions increased the risk of a CD4 drop (hazard …


Climate Change And Infectious Disease Dynamics, Raina K. Plowright, Paul C. Cross, Gary M. Tabor, Emily Almberg, Leslie Bienen, Peter J. Hudson Jan 2012

Climate Change And Infectious Disease Dynamics, Raina K. Plowright, Paul C. Cross, Gary M. Tabor, Emily Almberg, Leslie Bienen, Peter J. Hudson

United States Geological Survey: Staff Publications

The International Panel on Climate Change has made an unequivocal case that the earth's climate is changing in profound ways, and that human activities are contributing significantly to climate disruption (IPCC 2007). The weight of evidence demonstrates warming global temperatures, changing patterns of precipitation, and increasing climate variability, with more extreme events. Thus, the physical underpinnings of ecology are changing, with pervasive effects on disease dynamics. Interactions among environment, hosts, and pathogens drive disease processes, and climate change will influence every interaction in this triad, directly and indirectly.


Sorta Situ: The New Reality Of Management Conditions For Wildlife Populations In The Absence Of "Wild" Spaces, Barbara A. Wolfe, Roberto F. Aguilar, A. Alonso Aguirre, Glenn H. Olsen, Evan S. Blumer Jan 2012

Sorta Situ: The New Reality Of Management Conditions For Wildlife Populations In The Absence Of "Wild" Spaces, Barbara A. Wolfe, Roberto F. Aguilar, A. Alonso Aguirre, Glenn H. Olsen, Evan S. Blumer

United States Geological Survey: Staff Publications

The rate of species loss today is approaching catastrophic levels. Scientists project that over the next two decades, more than 1 million species of plants and animals will become extinct. E.O. Wilson has estimated that "the rate ofloss may exceed 50,000 a year, 137 a day ... this rate, while horrendous, is actually the minimal estimate, based on the species/area relationship alone" (Kellert and Wilson 1993, p. 16; Aguirre 2009). Ever-expanding communities, strained natural resources, changes in land use, and other anthropogenic drivers are compromising ecosystems and rapidly changing the landscape and the availability of "wild" spaces.


Multi-Platform Comparison Of Ten Commercial Master Mixes For Probe-Based Real-Time Polymerase Chain Reaction Detection Of Bioterrorism Threat Agents For Surge Preparedness, Gregory S. Buzard, Daniel Baker, Mark J. Wolcott, David A. Norwood, Leslie A. Dauphin Jan 2012

Multi-Platform Comparison Of Ten Commercial Master Mixes For Probe-Based Real-Time Polymerase Chain Reaction Detection Of Bioterrorism Threat Agents For Surge Preparedness, Gregory S. Buzard, Daniel Baker, Mark J. Wolcott, David A. Norwood, Leslie A. Dauphin

United States Army: Publications

The Centers for Disease Control and Prevention and United States Army Research Institute for Infectious Diseases have developed real-time PCR assays for the detection of bioterrorism threat agents. These assays all rely on a limited number of approved real-time PCR master mixes. Because the availability of these reagents is a critical element of bioterrorism preparedness, we undertook a joint national preparedness exercise to address the potential surge needs resulting from a large-scale bio-emergency. We identified 9 commercially-available potential alternatives to an existing approved master mix (LightCycler FastStart DNA Master HybProbes): the TaqMan Fast Universal PCR master mix, OmniMix HS, FAST …


Risk Behaviour And Time As Covariates For Effi Cacy Of The Hiv Vaccine Regimen Alvac-Hiv (Vcp1521) And Aidsvax B/E: A Post-Hoc Analysis Of The Thai Phase 3 Efficacy Trial Rv 144, Merlin L. Robb, Supachai Rerks-Ngarm, Sorachai Nitayaphan, Punnee Pitisuttithum, Jaranit Kaewkungwal, Prayura Kunasol, Chirasak Khamboonruang, Prasert Thongcharoen, Patricia Morgan, Michael Benenson, Robert M. Paris, Joseph Chiu, Elizabeth Adams, Donald Francis, Sanjay Gurunathan, Jim Tartaglia, Peter Gilbert, Don Stablein, Nelson L. Michael, Jerome H. Kim Jan 2012

Risk Behaviour And Time As Covariates For Effi Cacy Of The Hiv Vaccine Regimen Alvac-Hiv (Vcp1521) And Aidsvax B/E: A Post-Hoc Analysis Of The Thai Phase 3 Efficacy Trial Rv 144, Merlin L. Robb, Supachai Rerks-Ngarm, Sorachai Nitayaphan, Punnee Pitisuttithum, Jaranit Kaewkungwal, Prayura Kunasol, Chirasak Khamboonruang, Prasert Thongcharoen, Patricia Morgan, Michael Benenson, Robert M. Paris, Joseph Chiu, Elizabeth Adams, Donald Francis, Sanjay Gurunathan, Jim Tartaglia, Peter Gilbert, Don Stablein, Nelson L. Michael, Jerome H. Kim

United States Army: Publications

Background The Thai phase 3 HIV vaccine trial RV 144 showed modest effi cacy of a vaccine against HIV acquisition. Baseline variables of age, sex, marital status, and risk did not modify vaccine effi cacy. We did a post-hoc analysis of the trial’s data to investigate behavioural risk and effi cacy every 6 months after vaccination.

Methods RV 144 was a randomised, multicentre, double-blind, placebo-controlled effi cacy trial testing the combination of the HIV vaccines ALVAC-HIV (vCP1521) and AIDSVAX B/E to prevent HIV infection or reduce setpoint viral load. Male and female volunteers aged 18–30 years were recruited from the …


The Interface Of Animal And Human Vaccines, Connie Schmaljohn, Christian W. Mandl Jan 2012

The Interface Of Animal And Human Vaccines, Connie Schmaljohn, Christian W. Mandl

United States Army: Publications

The historical legacy of zoonotic viral diseases includes more than 50 million human deaths (3% of the world’s population) due to the appearance of a novel influenza virus in the early 1900s as well as the emergence of previously unknown diseases such as hantavirus pulmonary syndrome in 1993 [1] and severe acute respiratory syndrome (SARS) in 2003 [2]. Preventing epidemics resulting from other emerging viral diseases, whether due to ordinary interactions of humans and animals, to man-made environmental changes, or even to increased exposure following natural disasters such as earthquakes or tsunamis, depends on the harmonization of all aspects of …


Comparison Of Nucleic Acid Extraction Platforms For Detection Of Select Biothreat Agents For Use In Clinical Resource Limited Settings, Michelle A. Shipley, Jeffrey W. Koehler, David A. Kulesh, Timothy D. Minogue Jan 2012

Comparison Of Nucleic Acid Extraction Platforms For Detection Of Select Biothreat Agents For Use In Clinical Resource Limited Settings, Michelle A. Shipley, Jeffrey W. Koehler, David A. Kulesh, Timothy D. Minogue

United States Army: Publications

High-quality nucleic acids are critical for optimal PCR-based diagnostics and pathogen detection. Rapid sample processing time is important for the earliest administration of therapeutic and containment measures, especially in the case of biothreat agents. In this context, we compared the Fujifilm QuickGene-Mini80 to Qiagen's QIAamp Mini Purification kits for extraction of DNA and RNA for potential use in austere settings. Qiagen (QIAamp) column-based extraction is the currently recommended purification platform by United States Army Medical Research Institute for Infectious Diseases for both DNA and RNA extraction. However, this sample processing system requires dedicated laboratory equipment including a centrifuge. In this …


A Long Neglected World Malaria Map: Plasmodium Vivax Endemicity In 2010, Peter W. Gething, Iqbal R.F. Elyazar, Catherine L. Moyes, David L. Smith, Katherine E. Battle, Carlos A. Guerra, Anand P. Patil, Andrew J. Tatem, Rosalind E. Howes, Monica F. Myers, Dylan B. George, Peter Horby, Heiman F.L. Wertheim, Ric N. Price, Ivo Mueller, J. Kevin Baird, Simon I. Hay Jan 2012

A Long Neglected World Malaria Map: Plasmodium Vivax Endemicity In 2010, Peter W. Gething, Iqbal R.F. Elyazar, Catherine L. Moyes, David L. Smith, Katherine E. Battle, Carlos A. Guerra, Anand P. Patil, Andrew J. Tatem, Rosalind E. Howes, Monica F. Myers, Dylan B. George, Peter Horby, Heiman F.L. Wertheim, Ric N. Price, Ivo Mueller, J. Kevin Baird, Simon I. Hay

United States Public Health Resources

Background: Current understanding of the spatial epidemiology and geographical distribution of Plasmodium vivax is far less developed than that for P. falciparum, representing a barrier to rational strategies for control and elimination. Here we present the first systematic effort to map the global endemicity of this hitherto neglected parasite.

Methodology and Findings: We first updated to the year 2010 our earlier estimate of the geographical limits of P. vivax transmission. Within areas of stable transmission, an assembly of 9,970 geopositioned P. vivax parasite rate (PvPR) surveys collected from 1985 to 2010 were used with a spatiotemporal Bayesian model-based geostatistical …


Plasmodium Vivax Malaria Endemicity In Indonesia In 2010, Iqbal R.F. Elyazar, Peter W. Gething, Anand P. Patil, Hanifah Rogayah, Elvieda Sariwati, Niken W. Palupi, Siti N. Tarmizi, Rita Kusriastuti, J. Kevin Baird, Simon I. Hay Jan 2012

Plasmodium Vivax Malaria Endemicity In Indonesia In 2010, Iqbal R.F. Elyazar, Peter W. Gething, Anand P. Patil, Hanifah Rogayah, Elvieda Sariwati, Niken W. Palupi, Siti N. Tarmizi, Rita Kusriastuti, J. Kevin Baird, Simon I. Hay

United States Public Health Resources

Background: Plasmodium vivax imposes substantial morbidity and mortality burdens in endemic zones. Detailed understanding of the contemporary spatial distribution of this parasite is needed to combat it. We used model based geostatistics (MBG) techniques to generate a contemporary map of risk of Plasmodium vivax malaria in Indonesia in 2010.

Methods: Plasmodium vivax Annual Parasite Incidence data (2006–2008) and temperature masks were used to map P. vivax transmission limits. A total of 4,658 community surveys of P. vivax parasite rate (PvPR) were identified (1985–2010) for mapping quantitative estimates of contemporary endemicity within those limits. After error-checking a total of …


The Global Public Health Significance Of Plasmodium Vivax, Katherine E. Battle, Peter W. Gething, Iqbal R.F. Elyazar, Catherine L. Moyes, Marianne E. Sinka, Rosalind E. Howes, Carlos A. Guerra, Ric N. Price, J. Kevin Baird, Simon I. Hay Jan 2012

The Global Public Health Significance Of Plasmodium Vivax, Katherine E. Battle, Peter W. Gething, Iqbal R.F. Elyazar, Catherine L. Moyes, Marianne E. Sinka, Rosalind E. Howes, Carlos A. Guerra, Ric N. Price, J. Kevin Baird, Simon I. Hay

United States Public Health Resources

Plasmodium vivax occurs globally and thrives in both temperate and tropical climates. Here, we review the evidence of the biological limits of its contemporary distribution and the global population at risk (PAR) of the disease within endemic countries. We also review the most recent evidence for the endemic level of transmission within its range and discuss the implications for burden of disease assessments. Finally, the evidence- base for defining the contemporary distribution and PAR of P. vivax are discussed alongside a description of the vectors of human malaria within the limits of risk. This information along with recent data documenting …


Using Mathematical Models In A Unified Approach To Predicting The Next Emerging Infectious Disease, Tiffany L. Bogich, Kevin J. Olival, Parviez R. Hosseini, Carlos Zambrana-Torrelio, Elizabeth Loh, Sebastian Funk, Ilana L. Brito, Jonathan H. Epstein, John S. Brownstein, Damien O. Joly, Marc A. Levy, Kate E. Jones, Stephen S. Morse, A. Alonso Aguirre, William B. Karesh, Joanna A.K. Mazet, Peter Daszak Jan 2012

Using Mathematical Models In A Unified Approach To Predicting The Next Emerging Infectious Disease, Tiffany L. Bogich, Kevin J. Olival, Parviez R. Hosseini, Carlos Zambrana-Torrelio, Elizabeth Loh, Sebastian Funk, Ilana L. Brito, Jonathan H. Epstein, John S. Brownstein, Damien O. Joly, Marc A. Levy, Kate E. Jones, Stephen S. Morse, A. Alonso Aguirre, William B. Karesh, Joanna A.K. Mazet, Peter Daszak

United States Public Health Resources

Emerging infectious diseases (EIDs) pose a significant threat to human health, global economies, and conservation (Smolinski et al. 2003). They are defined as diseases that have recently increased in incidence (rate of the development of new cases during a given time period), are caused by pathogens that recently moved from one host population to another, have recently evolved, or have recently exhibited a change in pathogenesis (Morse 1993; Krause 1994). Some EIDs threaten global public health through pandemics with large-scale mortality (e.g., HN/AIDS). Others cause smaller outbreaks but have high case fatality ratios or lack effective therapies or vaccines (e.g. …


Clinical Research And Development Of Tuberculosis Diagnostics: Moving From Silos To Synergy, Payam Nahid, Peter S. Kim, Carlton A. Evans, David Alland, Michael Barer, Jane Diefenbach, Jerrold Ellner, Richard Hafner, Carol Dukes Hamilton, Michael F. Iademarco, Gregory Ireton, Michael E. Kimerling, Christian Lienhardt, William R. Mackenzie, Megan Murray, Mark D. Perkins, Jamie E. Posey, Teri Roberts, Christine Sizemore, Wendy S. Stevens, Laura Via, Sharon D. Williams, Wing Yew, Susan Swindells Jan 2012

Clinical Research And Development Of Tuberculosis Diagnostics: Moving From Silos To Synergy, Payam Nahid, Peter S. Kim, Carlton A. Evans, David Alland, Michael Barer, Jane Diefenbach, Jerrold Ellner, Richard Hafner, Carol Dukes Hamilton, Michael F. Iademarco, Gregory Ireton, Michael E. Kimerling, Christian Lienhardt, William R. Mackenzie, Megan Murray, Mark D. Perkins, Jamie E. Posey, Teri Roberts, Christine Sizemore, Wendy S. Stevens, Laura Via, Sharon D. Williams, Wing Yew, Susan Swindells

United States Public Health Resources

The development, evaluation, and implementation of new and improved diagnostics have been identified as critical needs by human immunodeficiency virus (HIV) and tuberculosis researchers and clinicians alike. These needs exist in international and domestic settings and in adult and pediatric populations. Experts in tuberculosis and HIV care, researchers, healthcare providers, public health experts, and industry representatives, as well as representatives of pertinent US federal agencies (Centers for Disease Control and Prevention, Food and Drug Administration, National Institutes of Health, United States Agency for International Development) assembled at a workshop proposed by the Diagnostics Working Group of the Federal Tuberculosis Taskforce …