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Articles 2131 - 2160 of 2715
Full-Text Articles in Virus Diseases
The Emergence Of The Zika, Chikungunya, And Dengue Viruses In Brazil, The Dominican Republic, And Puerto Rico, Nelson Xavier Del Pilar
The Emergence Of The Zika, Chikungunya, And Dengue Viruses In Brazil, The Dominican Republic, And Puerto Rico, Nelson Xavier Del Pilar
Honors Scholar Theses
The Zika, Chikungunya, and Dengue viruses are three emerging viral infections of the 21st century. Outbreaks have occurred in twenty countries, including areas of South America, and territories in the Caribbean. These viral diseases are mosquito-borne infections transmitted primarily by Aedes aegypti and Aedes albopictus mosquitoes. The origins of the diseases, viral morphology, and vector transmission will be described in this review as well as symptoms that humans experience, medical testing procedures, and preventative measures. This study will focus on three locations: Brazil, the Dominican Republic, and Puerto Rico. There are many similarities between the three viruses to emphasize, but …
Virus-Host Co-Evolution: Determining The Origin Of Human Cytomegalovirus Us27 And Us28, Jessica A. Scarborough, Juliet Spencer, John Paul
Virus-Host Co-Evolution: Determining The Origin Of Human Cytomegalovirus Us27 And Us28, Jessica A. Scarborough, Juliet Spencer, John Paul
Creative Activity and Research Day - CARD
G protein-coupled receptors (GPCR) are the largest family of cell surface proteins, found in organisms from yeast to humans. Human cytomegalovirus (HCMV) is a widespread pathogen that is particularly skilled at evading immune detection and defense mechanisms, largely due to extensive co-evolution with its host’s immune system. One aspect of this co-evolution involves the acquisition of four virally encoded GPCR homologs: US27, US28, UL33 and UL78. In this research, phylogenetic analysis was used to investigate the origins of the US27 and US28 genes, which are adjacent in the viral genome. The results indicate that both US27 and US28 share the …
Factors Associated With Initiation Of Antiretroviral Therapy In The Advanced Stages Of Hiv Infection In Six Ethiopian Hiv Clinics, 2012 To 2013, Denis Nash, Olga Tymejczyk, Tsigereda Gadisa, Sarah Gorrell Kulkarni, Susie Hoffman, Muluneh Yigzaw, Batya Elul, Robert H. Remien, Maria Lahuerta, Shalo Daba, Wafaa El Sadr, Zenebe Melaku
Factors Associated With Initiation Of Antiretroviral Therapy In The Advanced Stages Of Hiv Infection In Six Ethiopian Hiv Clinics, 2012 To 2013, Denis Nash, Olga Tymejczyk, Tsigereda Gadisa, Sarah Gorrell Kulkarni, Susie Hoffman, Muluneh Yigzaw, Batya Elul, Robert H. Remien, Maria Lahuerta, Shalo Daba, Wafaa El Sadr, Zenebe Melaku
Publications and Research
Introduction: Most HIV-positive persons in sub-Saharan Africa initiate antiretroviral therapy (ART) with advanced infection (late ART initiation). Intervening on the drivers of late ART initiation is a critical step towards achieving the full potential of HIV treatment scale-up. This study aimed to identify modifiable factors associated with late ART initiation in Ethiopia.
Methods: From 2012 to 2013, Ethiopian adults (n=1180) were interviewed within two weeks of ART initiation. Interview data were merged with HIV care histories to assess correlates of late ART initiation (CD4+ count <150 cells/mL or World Health Organization Stage IV).
Results: The median CD4 count at enrolment in HIV care was 263 cells/mL (interquartile range …
150>Post-Herpetic Paresis Of The Lower Extremity: An Unusual Complication Of Shingles, Leah Diane Stalnaker, Lynne J. Goebel, Md
Post-Herpetic Paresis Of The Lower Extremity: An Unusual Complication Of Shingles, Leah Diane Stalnaker, Lynne J. Goebel, Md
Marshall Journal of Medicine
Herpes zoster, or shingles, is a disease process caused by re-activation of varicella zoster virus in the dorsal root ganglia. Most commonly, it presents with burning pain and a characteristic vesicular rash. However neurologic complications may occur, most often including neuralgia, and less commonly paresis. We present a case of post-herpetic paresis in an 86- year- old female.
Tools And Methods For Zika Prevention In Cachoeira, Bahia, Florence Tesha
Tools And Methods For Zika Prevention In Cachoeira, Bahia, Florence Tesha
Independent Study Project (ISP) Collection
Zika virus, which is mainly transmitted by Aedes aegypti and Aedes albopictus mosquitoes, has become a major health threat in Brazil and other Latin American countries. Brazil is the country that is being most impacted with zika virus in addition to the existing mosquito-borne diseases of dengue and chikungunya. With the increase in zika virus infections, there have also been increasing numbers of infant brain abnormalities such as microcephaly associated to zika. International and local health institutions are working together to control and prevent zika transmission. This project aimed to investigate the various tools and methods employed by the Center …
Neglect Amidst The Zika Epidemic: A Case Study On The Reach Of Government Campaigns And Resources In Quilombo Community Praia Grande, Bahia, Jenna Sherman
Independent Study Project (ISP) Collection
In response to the ongoing Zika epidemic in Brazil, a nationwide campaign has recently been launched targeting the eradication of mosquitoes, preventing the contraction of Zika, and deterring pregnancies. Many remote areas of Brazil, however, may not be being reached by these campaigns or resources to the same extent as more urban or affluent areas of Brazil—despite the existence of the universal healthcare system Sistema Único de Saúde (SUS). My objective, therefore, is to assess which media and on-ground campaigns regarding Zika have reached the minute island town of Praia Grande—a rural fishing Quilombo community of approximately 2,000 occupants off …
The Feminization Of Hiv/Aids In Yunnan, China, Leah Pinckney
The Feminization Of Hiv/Aids In Yunnan, China, Leah Pinckney
Independent Study Project (ISP) Collection
The feminization of HIV is a global phenomenon in which more women are becoming HIV-positive. This not only has tragic consequences for those women but also signifies how HIV transmission in China is changing. Increased sexual transmission has given HIV the ability to move from at-risk groups, such as intravenous drug users and commercial sex workers, to the general population. Despite China’s improved health policies and programs about HIV, this situation poses a serious public health issue allowed to perpetuate because of societal problems surrounding gender. These problems are compounded by socioeconomic inequality brought upon by economic change. While much …
Asessing The Implementation Of Hiv/Aids Programs Amongst Youth Fisherfolk: The Case Of Mbita, Kenya, Edward Ham
Asessing The Implementation Of Hiv/Aids Programs Amongst Youth Fisherfolk: The Case Of Mbita, Kenya, Edward Ham
Independent Study Project (ISP) Collection
Homa Bay, Nyanza Province has the highest HIV/AIDS prevalence rate in Kenya (25.7%). Risky sexual behaviors are especially prevalent in fishing communities within this area. This study was conducted in Mbita, a sub-county of Homa Bay. The main objective was to determine which factors influence the implementation of HIV/AIDS programs amongst youth fisherfolk (ages 18-24) within beaches around Mbita. Data was collected through survey administration, key-informant interviews, and in depth interviews. The results highlight some interesting correlations, as well as a disturbing picture of the inequities females face within these fishing communities. Furthermore, a novel microclinic peer education HIV/AIDS program …
A Community Hospital Antimicrobial Stewardship Program’S Assessment Of Prolonged Infusion Piperacillin-Tazobactam For Pseudomonas Aeruginosa Pneumonia, Lee Nguyen, Paul Gavaza, Amy Y. Kang, An Nguyen, Liem Hoang, Nguyen Ta
A Community Hospital Antimicrobial Stewardship Program’S Assessment Of Prolonged Infusion Piperacillin-Tazobactam For Pseudomonas Aeruginosa Pneumonia, Lee Nguyen, Paul Gavaza, Amy Y. Kang, An Nguyen, Liem Hoang, Nguyen Ta
Pharmacy Faculty Articles and Research
Background: The study aim was to determine and compare the length of hospitalization, mortality, clinical stability, and time to clinical stability of a standard infusion (SI) and prolonged infusion (PI) piperacillin-tazobactam (TZP) in Pseudomonas aeruginosa ( PA) pneumonia patients.
Methods: This retrospective study evaluated length of hospitalization, mortality, clinical stability, and time to clinical stability with either SI-TZP or PI-TZP therapy in hospitalized patients diagnosed with PA pneumonia between January 01, 2008 and June 30, 2014. Patients were included in the study if they received ≥2 days of TZP, were diagnosed with PA pneumonia, and had TZP therapy …
Re-Inventing Adherence: Toward A Patient-Centered Model Of Care For Drug-Resistant Tuberculosis And Hiv, Max R. O'Donnell, A. Daftary, M. Frick, Y. Hirsch-Moverman, K. R. Amico, M. Senthilingam, A. Wolf, J. Z. Metcalfe, P. Isaakidis, J. L. Davis, J. R. Zelnick, J.C.M. Brust, N. Naidu, M. Garretson, David Bangsberg, N. Padayatchi, G. Friedland
Re-Inventing Adherence: Toward A Patient-Centered Model Of Care For Drug-Resistant Tuberculosis And Hiv, Max R. O'Donnell, A. Daftary, M. Frick, Y. Hirsch-Moverman, K. R. Amico, M. Senthilingam, A. Wolf, J. Z. Metcalfe, P. Isaakidis, J. L. Davis, J. R. Zelnick, J.C.M. Brust, N. Naidu, M. Garretson, David Bangsberg, N. Padayatchi, G. Friedland
OHSU-PSU School of Public Health Faculty Publications and Presentations
BACKGROUND—Despite renewed focus on molecular tuberculosis (TB) diagnostics and new antimycobacterial agents, treatment outcomes for patients co-infected with drug-resistant TB and human immunodeficiency virus (HIV) remain dismal, in part due to lack of focus on medication adherence as part of a patient-centered continuum of care.
OBJECTIVE—To review current barriers to drug-resistant TB-HIV treatment and propose an alternative model to conventional approaches to treatment support.
DISCUSSION—Current national TB control programs rely heavily on directly observed therapy (DOT) as the centerpiece of treatment delivery and adherence support. Medication adherence and care for drug-resistant TB-HIV could be improved by fully implementing team-based patient-centered …
Treatment And Prevention Of Human Rotavirus (Hrv) In Developing Countries: The Potential Of Avian Immunoglobulin Y, Christa Brown
Treatment And Prevention Of Human Rotavirus (Hrv) In Developing Countries: The Potential Of Avian Immunoglobulin Y, Christa Brown
Senior Honors Theses
Rotavirus gastroenteritis is a leading cause of childhood mortality, killing ~1400 children younger than five daily, primarily through severe diarrheal dehydration. Eighty-five percent of this mortality occurs in developing countries where rotavirus vaccines are not widely implemented and are only partially effective. In those countries, it has proven difficult to implement the recommended supportive therapies like oral rehydration therapy (ORT) on a wide scale due to lack of both medical infrastructure and private economic investment combined with cultural bias against ORT. IgY targeting human rotavirus (anti-HRV IgY) shows potential as a passive immunotherapy that reduces rotavirus-associated morbidity and mortality, augments …
Women’S Views On The Challenges And Solutions In Preventing The Gendered Spread Of Hiv In Masxha, Cato Manor, Paige Mcmahon
Women’S Views On The Challenges And Solutions In Preventing The Gendered Spread Of Hiv In Masxha, Cato Manor, Paige Mcmahon
Independent Study Project (ISP) Collection
Despite numerous national prevention efforts, South Africa remains at the epicenter of the HIV/AIDS epidemic. The burden of the epidemic is extremely heterogeneous, with province, race, gender, age, and socioeconomic status serving as key variables in determining HIV prevalence rates. Black African women are disproportionately affected by the epidemic, with those between the ages of 20 and 34 having an HIV prevalence rate of 31.6%, the highest in the country (Shisana et al., 2014). The purpose of this study was to engage with black African women about the challenges they believe women face in protecting themselves against HIV, and potential …
Dental Health Practices In Us College Students: The American College Health Association-National College Health Assessment Findings, Lori Dewald Edd, Atc, Mches, F-Aahe
Dental Health Practices In Us College Students: The American College Health Association-National College Health Assessment Findings, Lori Dewald Edd, Atc, Mches, F-Aahe
Journal of Health Disparities Research and Practice
Objective: The purpose of this study is to investigate the dental health seeking practices of US college students. Participants: The total number of college students who participated in the ACHA-NCHA survey from 2000-2013 was 1,201,531. Methods: The data requested were the demographic questions and the dental health question from both the ACHA-NCHA I and II. The data were analyzed using SPSS version 20. Results: The percentage of students who reported having a dental exam and cleaning in the last year averaged 76.6% in this study period of time. However, dental health care declined annually following their freshman year. More females …
The Association Between Vitamin A Status Or Supplementation And Hiv/Aids, Mikaela Kathleen Curtis
The Association Between Vitamin A Status Or Supplementation And Hiv/Aids, Mikaela Kathleen Curtis
Food Science and Nutrition
The human immunodeficiency virus (HIV) has infected millions of people since the start of the epidemic in the early 1980s. HIV is the etiologic agent of the acquired immunodeficiency syndrome (AIDS), which has taken millions of lives. It is extremely difficult for particular populations to receive medication to treat HIV infection and prevent the progression of HIV to AIDS. Multiple studies have examined the effect of vitamin A on HIV infection, due to its immune stimulating effects. It is unclear whether an association exists between vitamin A and different aspects of HIV. This review examined the effect of vitamin A …
Multi-Level Correlates Of Safer Conception Methods Awareness And Attitudes Among Ugandan Hiv Clients With Fertility Intentions., Glenn J. Wagner, Mahlet A. Woldetsadik, Jolly Beyeza-Kashesya, Kathy Goggin, Deborah Mindry, Sarah Finocchario-Kessler, Sarah Khanakwa, Rhoda K. Wanyenze
Multi-Level Correlates Of Safer Conception Methods Awareness And Attitudes Among Ugandan Hiv Clients With Fertility Intentions., Glenn J. Wagner, Mahlet A. Woldetsadik, Jolly Beyeza-Kashesya, Kathy Goggin, Deborah Mindry, Sarah Finocchario-Kessler, Sarah Khanakwa, Rhoda K. Wanyenze
Manuscripts, Articles, Book Chapters and Other Papers
Many people living with HIV desire childbearing, but low cost safer conception methods (SCM) such as timed unprotected intercourse (TUI) and manual self-insemination (MSI) are rarely used. We examined awareness and attitudes towards SCM, and the correlates of these constructs among 400 HIV clients with fertility intentions in Uganda. Measures included awareness, self-efficacy, and motivation regarding SCM, as well as demographics, health management, partner and provider characteristics. Just over half knew that MSI (53%) and TUI (51%) reduced transmission risk during conception, and 15% knew of sperm washing and pre-exposure prophylaxis. In separate regression models for SCM awareness, motivation, and …
Herpes Simplex Virus And Interferon Signaling Induce Novel Autophagic Clusters In Sensory Neurons, Sarah Katzenell, David A. Leib
Herpes Simplex Virus And Interferon Signaling Induce Novel Autophagic Clusters In Sensory Neurons, Sarah Katzenell, David A. Leib
Dartmouth Scholarship
Herpes simplex virus 1 (HSV-1) establishes lifelong infection in the neurons of trigeminal ganglia (TG), cycling between productive infection and latency. Neuronal antiviral responses are driven by type I interferon (IFN) and are crucial to controlling HSV-1 virulence. Autophagy also plays a role in this neuronal antiviral response, but the mechanism remains obscure. In this study, HSV-1 infection of murine TG neurons triggered unusual clusters of autophagosomes, predominantly in neurons lacking detectable HSV-1 antigen. Treatment of neurons with IFN-β induced a similar response, and cluster formation by infection or IFN treatment was dependent upon an intact IFN-signaling pathway. The autophagic …
Molecular Evolution And Intraclade Recombination Of Enterovirus D68 During The 2014 Outbreak In The United States., Yi Tan, Ferdaus Hassan, Jennifer E. Schuster, Ari Simenauer, Rangaraj Selvarangan, Rebecca A. Halpin, Xudong Lin, Nadia Fedorova, Timothy B. Stockwell, Tommy Tsan-Yuk Lam, James D. Chappell, Tina V. Hartert, Edward C. Holmes, Suman R. Das
Molecular Evolution And Intraclade Recombination Of Enterovirus D68 During The 2014 Outbreak In The United States., Yi Tan, Ferdaus Hassan, Jennifer E. Schuster, Ari Simenauer, Rangaraj Selvarangan, Rebecca A. Halpin, Xudong Lin, Nadia Fedorova, Timothy B. Stockwell, Tommy Tsan-Yuk Lam, James D. Chappell, Tina V. Hartert, Edward C. Holmes, Suman R. Das
Manuscripts, Articles, Book Chapters and Other Papers
In August 2014, an outbreak of enterovirus D68 (EV-D68) occurred in North America, causing severe respiratory disease in children. Due to a lack of complete genome sequence data, there is only a limited understanding of the molecular evolution and epidemiology of EV-D68 during this outbreak, and it is uncertain whether the differing clinical manifestations of EV-D68 infection are associated with specific viral lineages. We developed a high-throughput complete genome sequencing pipeline for EV-D68 that produced a total of 59 complete genomes from respiratory samples with a 95% success rate, including 57 genomes from Kansas City, MO, collected during the 2014 …
Pitfalls Of Practicing Cancer Epidemiology In Resource-Limited Settings: The Case Of Survival And Loss To Follow-Up After A Diagnosis Of Kaposi’S Sarcoma In Five Countries Across Sub-Saharan Africa, Esther Freeman, Aggrey Semeere, Megan Wenger, Mwebesa B. Bwana, F. Chite Asirwa, Naftali Busakhala, Emmanuel Oga, Elima Jedy-Agba, Vivian Kwaghe, Kenneth Iregbu, Antoine Jaquet, Francois Dabis, Habakkuk Azinyui Yumo, Jean Claude Dusingize, David Bangsberg, Kathryn Anastos, Sam Phiri, Julia Bohlius, Matthias Egger, Constantin T. Yiannoutsos, Kara Wools-Kaloustian, Jeffrey Martin
Pitfalls Of Practicing Cancer Epidemiology In Resource-Limited Settings: The Case Of Survival And Loss To Follow-Up After A Diagnosis Of Kaposi’S Sarcoma In Five Countries Across Sub-Saharan Africa, Esther Freeman, Aggrey Semeere, Megan Wenger, Mwebesa B. Bwana, F. Chite Asirwa, Naftali Busakhala, Emmanuel Oga, Elima Jedy-Agba, Vivian Kwaghe, Kenneth Iregbu, Antoine Jaquet, Francois Dabis, Habakkuk Azinyui Yumo, Jean Claude Dusingize, David Bangsberg, Kathryn Anastos, Sam Phiri, Julia Bohlius, Matthias Egger, Constantin T. Yiannoutsos, Kara Wools-Kaloustian, Jeffrey Martin
OHSU-PSU School of Public Health Faculty Publications and Presentations
Background: Survival after diagnosis is a fundamental concern in cancer epidemiology. In resource-rich settings, ambient clinical databases, municipal data and cancer registries make survival estimation in real-world populations relatively straightforward. In resource-poor settings, given the deficiencies in a variety of health-related data systems, it is less clear how well we can determine cancer survival from ambient data.
Methods: We addressed this issue in sub-Saharan Africa for Kaposi’s sarcoma (KS), a cancer for which incidence has exploded with the HIV epidemic but for which survival in the region may be changing with the recent advent of antiretroviral therapy (ART). From 33 …
Multilevel Analysis Of Individual, Neighborhood, And Health Care Facility Characteristics Associated With Achievement And Maintenance Of Hiv Viral Suppression Among Persons Newly Diagnosed With Hiv In New York City, Ellen W. Wiewel
Dissertations, Theses, and Capstone Projects
Objective
To investigate the effect of individual, health care facility, and neighborhood characteristics on achievement and maintenance of HIV viral suppression, among New York City residents aged 13 years and older diagnosed with HIV between 2006 and 2012.
Methods
I used individual-level data from the New York City HIV surveillance registry and Case Surveillance-Based Sampling, facility-level data from the surveillance registry, and neighborhood-level data from the U.S. Census and American Community Survey. The outcomes of interest were first viral suppression after diagnosis (Aims 1 and 3; ≤400 copies/mL) and virologic failure after first suppression among persons who achieved suppression (Aim …
Is There A Link Between Zika Virus And Microcephaly In Neonates?, Yuliya Salanovich
Is There A Link Between Zika Virus And Microcephaly In Neonates?, Yuliya Salanovich
The Science Journal of the Lander College of Arts and Sciences
With Zika virus spreading worldwide, a lot of attention is drawn to researching its pathogenesis and etiology. It has also been noticed by various research groups and such health agencies such as CDC and WHO that there might be a connection between ZIKV and microcephaly, due to the spiking number of cases of microcephaly reported in areas with affected patients. Temporal and geographical data from the affected ZIKV areas, including Brazil and French Polynesia, suggests a connection between microcephaly and the virus. Tests of amniotic fluids of pregnant women with reported Zika virus infection and microcephalic fetuses revealed the presence …
An Individual With Human Immunodeficiency Virus, Dementia, And Central Nervous System Amyloid Deposition, Raymond Scott Turner, Melanie Chadwick, Wesley A Horton, Gary L. Simon, Xiong Jiang, Giuseppe Esposito
An Individual With Human Immunodeficiency Virus, Dementia, And Central Nervous System Amyloid Deposition, Raymond Scott Turner, Melanie Chadwick, Wesley A Horton, Gary L. Simon, Xiong Jiang, Giuseppe Esposito
Medicine Faculty Publications
Human immunodeficiency virus (HIV)-associated neurocognitive disorder (HAND) is found in 30%-50% of individuals with HIV infection. To date, no HIV+ individual has been reported to have a positive amyloid PET scan. We report a 71-year-old HIV+ individual with HAND. Clinical and neuropsychologic evaluations confirmed a progressive mild dementia. A routine brain MRI was normal for age. [18F]Fluorodeoxyglucose-PET revealed mild hypermetabolism in bilateral basal ganglia and hypometabolism of bilateral parietal cortex including the posterior cingulate/precuneus. Resting state functional MRI revealed altered connectivity as found with individuals with mild AD. CSF examination revealed a low Aβ42/tau index but a low phospho-tau. An …
Improving The Renal Profile Of A Hiv Drug Combination Through Prodrug Alteration, Derek E. Murrell, Sam Harirforoosh
Improving The Renal Profile Of A Hiv Drug Combination Through Prodrug Alteration, Derek E. Murrell, Sam Harirforoosh
Pharmacy Faculty Articles and Research
"Human immunodeficiency virus (HIV) continues to alter the lives of countless individuals, who once infected, live on a continuum between viral suppression and acquired immunodeficiency syndrome. The former being achieved via the use of various antiretrovirals beginning with the release of zidovudine over a quarter-century ago; whereas the latter may result from treatment failure or lack of treatment such as in the absence of diagnosis or the inaccessibility of medication. As no cure is yet available, regimens must be continued lifelong. Thus, contemporary treatment is given as a combination of agents from various antiretroviral drug classes in an effort to …
A Single Dose Tmv-Ha Vaccine Protects Mice From H5n1 Influenza Challenge, Jyothi K. Mallajosyula, Trushar Jeevan, Rachel Chikwamba, Richard J. Webby, Alison A. Mccormick
A Single Dose Tmv-Ha Vaccine Protects Mice From H5n1 Influenza Challenge, Jyothi K. Mallajosyula, Trushar Jeevan, Rachel Chikwamba, Richard J. Webby, Alison A. Mccormick
Faculty Publications & Research of the TUC College of Pharmacy
Recombinant subunit vaccines are an efficient strategy to meet the demands of a possible influenza pandemic, because of rapid and scalable production. However, vaccines made from recombinant Hemagglutinin (HA) subunit protein are often of low potency, requiring repeated boosting to generate a sustained immune response. Previously, we demonstrated improved immunogenicity of a plant-made H1 Hemagglutinin (HA) vaccine by chemical conjugation to the surface of the Tobacco Mosaic Virus (TMV) which is non infectious in mammals. Antigen coated TMV is taken up by mammalian dendritic cells and is a highly effective antigen carrier for subunit protein vaccines. In this work, we …
Reasons For Missing Antiretroviral Therapy: Results From A Multi-Country Study In Tanzania, Uganda, And Zambia, Olivier Koole, Julie A. Denison, Joris Menten, Sharon Tsui, Fred Wabwire-Mangen, Gideon Kwesigabo, Modest Mulenga, Andrew F. Auld, Simon G. Agolory, Ya Diul Mukadi, Eric Van Praag, Kwasi Torpey, Seymour Williams, Jonathan Kaplan, Aaron Zee, David Bangsberg, Robert Colebunders
Reasons For Missing Antiretroviral Therapy: Results From A Multi-Country Study In Tanzania, Uganda, And Zambia, Olivier Koole, Julie A. Denison, Joris Menten, Sharon Tsui, Fred Wabwire-Mangen, Gideon Kwesigabo, Modest Mulenga, Andrew F. Auld, Simon G. Agolory, Ya Diul Mukadi, Eric Van Praag, Kwasi Torpey, Seymour Williams, Jonathan Kaplan, Aaron Zee, David Bangsberg, Robert Colebunders
OHSU-PSU School of Public Health Faculty Publications and Presentations
Objectives To identify the reasons patients miss taking their antiretroviral therapy (ART) and the proportion who miss their ART because of symptoms; and to explore the association between symptoms and incomplete adherence.
Methods Secondary analysis of data collected during a cross-sectional study that examined ART adherence among adults from 18 purposefully selected sites in Tanzania, Uganda, and Zambia. We interviewed 250 systematically selected patients per facility (≥18 years) on reasons for missing ART and symptoms they had experienced (using the HIV Symptom Index). We abstracted clinical data from the patients’ medical, pharmacy, and laboratory records. Incomplete adherence was defined as …
In Vitro Modeling Of The Interaction Between Human Epithelial Cells And Lymphocytes Upon Influenza Infection, Natalia A. Ilyushina, Pete F. Wright
In Vitro Modeling Of The Interaction Between Human Epithelial Cells And Lymphocytes Upon Influenza Infection, Natalia A. Ilyushina, Pete F. Wright
Dartmouth Scholarship
Influenza viruses are a continuous threat to humans because of their ability to cross species barriers and adapt to new hosts. Data from murine studies, along with limited human data, suggest that CD8(+) cytotoxic T lymphocytes (CTL) that recognize conserved epitopes of structural influenza proteins are the main mediators of influenza virus clearance. Additionally, the fact that many CTLs recognize epitopes shared between different influenza strains offers the potential for broad cross-strain immunity. However, the mechanisms of cellular immunity against influenza viruses are poorly defined in humans, where the CTL response has been hard to measure and interpret. We developed …
The Meanings In The Messages: How Sms Reminders And Real-Time Adherence Monitoring Improve Antiretroviral Therapy Adherence In Rural Uganda, Norma C. Ware, Emily A. Pisarski, Melanie Tam, Monique A. Wyatt, Esther Atukunda, Angella Musimenta, David Bangsberg, Jessica E. Haberer
The Meanings In The Messages: How Sms Reminders And Real-Time Adherence Monitoring Improve Antiretroviral Therapy Adherence In Rural Uganda, Norma C. Ware, Emily A. Pisarski, Melanie Tam, Monique A. Wyatt, Esther Atukunda, Angella Musimenta, David Bangsberg, Jessica E. Haberer
OHSU-PSU School of Public Health Faculty Publications and Presentations
To understand how a pilot intervention combining SMS reminders with real-time adherence monitoring improved adherence to HIV antiretroviral therapy (ART) for adults initiating treatment in rural Uganda.
Design: Qualitative study, conducted with a pilot randomized controlled trial.
Methods: Sixty-two pilot intervention study participants took part in qualitative interviews on: preferences for content; frequency and timing of SMS adherence reminders; understandings and experiences of SMS reminders; and understandings and experiences of real-time adherence monitoring. Analysis of interview data was inductive and derived categories describing how participants experienced the intervention, and what it meant to them.
Results: SMS reminders prompted taking individual …
Short Message Service (Sms) Reminders And Real-Time Adherence Monitoring Improve Antiretroviral Therapy Adherence In Rural Uganda, Jessica E. Haberer, Angella Musimenta, Esther Atukunda, Nicholas Musinguzi, Monique A. Wyatt, Norma C. Ware, David Bangsberg
Short Message Service (Sms) Reminders And Real-Time Adherence Monitoring Improve Antiretroviral Therapy Adherence In Rural Uganda, Jessica E. Haberer, Angella Musimenta, Esther Atukunda, Nicholas Musinguzi, Monique A. Wyatt, Norma C. Ware, David Bangsberg
OHSU-PSU School of Public Health Faculty Publications and Presentations
Objective: To explore the effects of four types of short message service (SMS) plus realtime adherence monitoring on antiretroviral therapy (ART) adherence: daily reminders, weekly reminders, reminders triggered after a late or missed dose (delivered to patients), and notifications triggered by sustained adherence lapses (delivered to patient-nominated social supporters).
Design: Pilot randomized controlled trial.
Methods: Sixty-three individuals initiating ART received a real-time adherence monitor and were randomized (1 : 1 : 1): (1) Scheduled SMS reminders (daily for 1 month, weekly for 2 months), then SMS reminders triggered by a late or missed dose (no monitoring signal within 2 h …
"I Always Worry About What Might Happen Ahead" : Implementing Safer Conception Services In The Current Environment Of Reproductive Counseling For Hiv-Affected Men And Women In Uganda, Lynn T. Matthews, Francis Bajunirwe, Jasmine Kastner, Naomi Sanyu, Cecilia Akatukwasa, Courtney Ng, Rachel Rifkin, Cecilia Milford, Lizzie Moore, Ira B. Wilson, David Bangsberg, Jennifer A. Smit, Angela Kaida
"I Always Worry About What Might Happen Ahead" : Implementing Safer Conception Services In The Current Environment Of Reproductive Counseling For Hiv-Affected Men And Women In Uganda, Lynn T. Matthews, Francis Bajunirwe, Jasmine Kastner, Naomi Sanyu, Cecilia Akatukwasa, Courtney Ng, Rachel Rifkin, Cecilia Milford, Lizzie Moore, Ira B. Wilson, David Bangsberg, Jennifer A. Smit, Angela Kaida
OHSU-PSU School of Public Health Faculty Publications and Presentations
Background. We explored healthcare provider perspectives and practices regarding safer conception counseling for HIV-affected clients. Methods.We conducted semistructured interviews with 38 providers (medical and clinical officers, nurses, peer counselors, and village health workers) delivering care to HIV-infected clients across 5 healthcare centres in Mbarara District, Uganda. Interview transcripts were analyzed using content analysis. Results. Of 38 providers, 76% were women with median age 34 years (range 24–57). First, we discuss providers’ reproductive counseling practices. Emergent themes include that providers (1) assess reproductive goals of HIV-infected female clients frequently, but infrequently for male clients; (2) offer counseling focused on “family planning” …
Japanese Encephalitis: Assessing Disease Risk Due To Landscape Factors At Multiple Scales, Julia E. Metelka
Japanese Encephalitis: Assessing Disease Risk Due To Landscape Factors At Multiple Scales, Julia E. Metelka
Theses and Dissertations (Comprehensive)
Japanese Encephalitis is a mosquito-borne disease and is the leading cause of viral encephalitis in Asia. In many Asian countries, the geographical distribution of JE is dependent on a variety of human-environment interactions that can be conceptualized as a complex social-ecological system. The JE transmission cycle is influenced by a few primary human-landscape factors; the abundance and the spatial configuration of rice paddy fields (which provide habitat for the vector), the distribution of pig farms (which position the virus' amplifying host), and the location of a susceptible human population. Our models integrate population dynamics, landscape characteristics, and weather variables that …
Mumps Myocarditis: A Forgotten Disease?, Sheraz Hussain, Mohammad Faizan Zahid, Arshalooz J. Rahman, Mehnaz A. Atiq, S. H. Ibrahim
Mumps Myocarditis: A Forgotten Disease?, Sheraz Hussain, Mohammad Faizan Zahid, Arshalooz J. Rahman, Mehnaz A. Atiq, S. H. Ibrahim
Department of Paediatrics and Child Health
Mumps is an acute viral illness that follows a self-limiting course but up to 10% of cases have a complicated course with the involvement of other organ systems. Myocarditis is reported as a complication but the incidence has greatly fallen ever since the development of the mumps vaccine. A child presented to our department with parotid swelling and fever. Persistent tachycardia with irregular pulse led to further cardiac work up which showed decreased ejection fraction and raised serum cardiac enzymes, indicating myocardial damage. With ionotropic agents and supportive care, there was complete normalization of ejection fraction and serum cardiac enzyme …