Infectious Disease Commons^™

Voices From The Field: A Qualitative Study Of The Challenges And Promising Practices Of Rural Public Health In Addressing Hiv And Hepatitis C, Martha Elbaum Williamson Mpa, Karen B. Pearson Mlis, Ms, Amanda R. Burgess Mppm, Jennifer D. Lenardson Mhs, Erika C. Ziller Phd

Population Health

Rural areas of the United States may be vulnerable to an HIV or hepatitis C (HCV) outbreak among persons who inject drugs. Researchers at the University of Southern Maine’s Rural Health Research Center examined the capacity of rural public health systems to prepare for, identify, control, and respond to an HIV or HCV outbreak. Through semi-structured interviews with 36 state and local public health professionals from six rural states, we sought to understand the challenges related to HIV, HCV, and serving rural persons who inject drugs and to identify strategies to address those challenges. Challenges limiting the public health capacity …

Developing A Self-Sanitizing Mask To Combat The Spread Of Infectious Disease, Matthew Crawford

Honors Undergraduate Theses

Masks have become an important part of everyday life, protecting both the wearer and individuals nearby from the spread of infectious diseases, most notably severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the coronavirus that causes coronavirus disease 2019 (COVID-19). However, these masks are easily contaminated, whether through continued use or by the wearer touching the mask fabric with contaminated hands, therefore reducing the efficacy and exposing the user to these contagions. When the mask becomes contaminated, it can be discarded, which produces large amounts of waste that will end up in a landfill, or it can be washed, which is …

The Promise Of Improved Adherence With Long-Acting Antiretroviral Therapy: What Are The Data?, Kimberly Scarsi, Susan Swindells

Journal Articles: Infectious Diseases

As with other chronic conditions, adherence to daily medications remains a challenge for many individuals living with HIV due to structural, behavioral, and social barriers. Unfortunately, high levels of adherence to antiretroviral therapy are required to maintain virologic suppression. Alternative approaches are being explored to decrease the burden of daily pill administration, including long-acting injectable, oral, and implantable products. Phase 3 data support the efficacy of nanoformulated injectable cabotegravir and rilpivirine for HIV treatment in patients with undetectable viremia, but we have yet to learn how this strategy may benefit those with medication adherence challenges. Despite this, the affected community …

Antimicrobial Use In Positive Respiratory Viral Panel: Impact Of Procalcitonin Use And Antimicrobial Stewardship, David Beleny

Scholarship in Medicine - All Papers

increasing antibiotic resistant microbes.¹ Blood and sputum cultures are the gold standard for bacterial identification, but they are difficult to obtain and take days to receive back from the lab. Physicians commonly treat patients empirically with antibiotics because there is an increased risk of 30-day mortality in patients with bacterial community-acquired pneumonia (CAP).² Overuse of antibiotics is commonplace in hospitalized patients which is detrimental as it contributes to antibiotic resistance, costs money, wastes resources, and puts patients at risk for unnecessary adverse effects of the medications.³ It was found that 75% of patients presenting with a respiratory …

Protecting The Rights And Wellbeing Of People With Disabilities During The Covid-19 Pandemic, Elizabeth Pendo

All Faculty Scholarship

The COVID-19 pandemic has exposed and exacerbated significant inequities experienced by people with disabilities. It has also emphasized the value of legal protections against discrimination based on disability. The Americans with Disabilities Act was enacted 30 years ago to eliminate discrimination against people with disabilities and ensure equal opportunity across major areas of American life (ADA, 2008). Together with an earlier law, the Rehabilitation Act of 1973 Rehabilitation Act, 2012), this landmark civil rights law impacts a broad range of issues raised by the COVID-19 pandemic and protects a large and growing number of Americans. This Chapter focuses on application …

Disparities In Health Care: The Pandemic’S Lessons For Health Lawyers, Danielle Pelfrey Duryea, Nicole Huberfeld, Ruqaiijah Yearby

All Faculty Scholarship

Population-level disparities in health and health care came to the forefront of U.S. public consciousness in 2020. As the racial, ethnic, and socioeconomic stratification of COVID-19 infection and death rates emerged with chilling clarity, the Black Lives Matter protests of the summer focused millions of Americans on the complex, structural nature of inequity and its long-lasting effects.

Access to quality health care is a “social determinant of health,” meaning that it is one of the “non-medical factors that influence health outcomes . . . the conditions in which people are born, grow, work, live, and age, and the wider set …

Antibiotic Stewardship In Skin And Soft Tissue Infections, Shah Z. Ali, Jose Campo Maldonado

MEDI 9331 Scholarly Activities Clinical Years

Antibiotic use during inpatient hospitalizations have a significant impact on both patient care and healthcare costs. Using data collected over a one month period in 2019 from inpatient hospitalizations, we aim to determine the most common indicated uses for vancomycin and piperacillin-tazobactam, along with the average days of therapy for their use in treating skin and soft tissue infections.

Association Between Race/Ethnicity And Covid-19 Disease Outcomes In The United States: A Qualitative Systematic Review Of The Literature, Jacob Smith

MEDI 9331 Scholarly Activities Clinical Years

Background/Objective: As studies have shown disparities in coronavirus disease-19 prevalence and severity, we sought to evaluate differences in outcomes of acute SARS-CoV-2 infection by race/ethnicity.

Design: Systematic review

Data Source: Studies from PubMed were included.

Review methods: Articles published in English language from January 1, 2019 through March 22, 2020. Studies included were observational studies that examined racial or ethnic disparities in SARS-CoV-2 infection outcomes in the United States. One reviewer performed data extraction.

Results: Out of a possible 1,944 articles, 99 observational studies (82 individual-level and 17 population-level) were included. Differential rates of hospitalization or otherwise severe illness …

High Prevalence Of Pre-Existing Serological Cross-Reactivity Against Severe Acute Respiratory Syndrome Coronavirus-2 (Sars- Cov-2) In Sub-Saharan Africa, For Yue Tso, Salum Lidenge, Phoebe B. Peña, Ashley A. Clegg, John R. Ngowi, Julius Mwaiselage, Owen Ngalamika, Peter Julius, John T. West, Charles Wood

Nebraska Center for Virology: Faculty Publications

Objective: Significant morbidity and mortality have occurred in the USA, Europe, and Asia due to severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), whereas the numbers of infections and deaths in sub-Saharan Africa (SSA) have remained comparatively low. It has been hypothesized that exposure of the population in SSA to other coronaviruses prior to the COVID-19 pandemic resulted in some degree of cross-protection against SARS-CoV-2 infection and pathogenesis. We evaluated this hypothesis by comparing SARS-CoV-2 cross-reactive antibodies in pre-pandemic plasma samples collected from SSA and the USA.

Method: Pre-COVID-19 pandemic plasma samples from SSA and the USA were collected and tested by …

Strategies Targeting Hemagglutinin As A Universal Influenza Vaccine, Brianna L. Bullard, Eric A. Weaver

Nebraska Center for Virology: Faculty Publications

Influenza virus has significant viral diversity, both through antigenic drift and shift, which makes development of a vaccine challenging. Current influenza vaccines are updated yearly to in- clude strains predicted to circulate in the upcoming influenza season, however this can lead to a mismatch which reduces vaccine efficacy. Several strategies targeting the most abundant and im- munogenic surface protein of influenza, the hemagglutinin (HA) protein, have been explored. These strategies include stalk-directed, consensus-based, and computationally derived HA immunogens. In this review, we explore vaccine strategies which utilize novel antigen design of the HA protein to improve cross-reactive immunity for development …

Zika Virus Infection Induces Endoplasmic Reticulum Stress And Apoptosis In Placental Trophoblasts, Philma Glora Muthuraj, Prakask K. Sahoo, Madison Kraus, Taylor Bruett, Arun S. Annamalai, Aryamav Pattnaik, Asit K. Pattnaik, Siddappa N. Byrareddy, Sathish Kumar Natarajan

Nebraska Center for Virology: Faculty Publications

Zika virus (ZIKV) infection to a pregnant woman can be vertically transmitted to the fetus via the placenta leading to Congenital Zika syndrome. This is characterized by microcephaly, retinal defects, and intrauterine growth retardation. ZIKV induces placental trophoblast apoptosis leading to severe abnormalities in the growth and development of the fetus. However, the molecular mechanism behind ZIKV-induced apoptosis in placental trophoblasts remains unclear. We hypothesize that ZIKV infection induces endoplasmic reticulum (ER) stress in the trophoblasts, and sustained ER stress results in apoptosis. HTR-8 (HTR-8/SVneo), a human normal immortalized trophoblast cell and human choriocarcinoma-derived cell lines (JEG-3 and JAR) were …

The 20th Anniversary Meeting Of The Rocky Mountain Virology Association, Joel Rovnak, Laura A. St Clair, Carley Mcalister, Chinemerem P. Ogbu, Jessica Smolenske, Randall J. Cohrs, Rushika Perera

Nebraska Center for Virology: Faculty Publications

Due to the COVID-19 pandemic and multiple devastating forest fires, the 2020 meeting of the Rocky Mountain Virology Association was held virtually. The three-day gathering featured talks describing recent advances in virology and prion research. The keynote presentation described the measles virus paradox of immune suppression and life-long immunity. Special invited speakers presented information concerning visualizing antiviral effector cell biology in mucosal tissues, uncovering the T-cell tropism of Epstein-Barr virus type 2, a history and current survey of coronavirus spike proteins, a summary of Zika virus vaccination and immunity, the innate immune response to flavivirus infections, a discussion concerning prion …

Chlorovirus Pbcv-1 Multidomain Protein A111/114r Has Three Glycosyltransferase Functions Involved In The Synthesis Of Atypical N-Glycans, Eric Noel, Anna Notaro, Immacolata Speciale, Garry A. Duncan, Cristina De Castro, James L. Van Etten

Nebraska Center for Virology: Faculty Publications

The structures of the four N-linked glycans from the prototype chlorovirus PBCV-1 major capsid protein do not resemble any other glycans in the three domains of life. All known chloroviruses and antigenic variants (or mutants) share a unique conserved central glycan core consisting of five sugars, except for antigenic mutant virus P1L6, which has four of the five sugars. A combination of ge- netic and structural analyses indicates that the protein coded by PBCV-1 gene a111/114r, conserved in all chloroviruses, is a glycosyltransferase with three putative domains of approximately 300 amino acids each. Here, in addition to in silico sequence …

Gaps In Worker Protections That Increase Essential Workers’ Exposure To Covid-19, Ruqaiijah Yearby

All Faculty Scholarship

States and localities designated more than 55 million Americans as essential workers. Essential workers not only comprise those employed by the health care and food and agriculture industry, but also include teachers, grocery store workers, transit and airline workers, mail and delivery workers, energy sector and utility workers, and domestic workers (Petition for Emergency, 2020). Racial and ethnic minorities are disproportionately employed as essential workers, with Black Americans the most likely to be essential workers (Petition for Emergency, 2020). Essential workers have been left vulnerable to workplace COVID-19 infections and deaths in large part due to the federal and state …

Characterizing The Physiology And Genetics Of Contact Dependent Growth Inhibiton Systems In Burkholderia Species, Alice Elizabeth Oates

Theses and Dissertations--Microbiology, Immunology, and Molecular Genetics

Contact-dependent growth inhibition (CDI) systems mediate interbacterial competition. The genes encoding these systems are widespread among Gram-negative bacteria, including Burkholderia pathogens. CDI systems of Burkholderia species are composed of two-partner secretion pathway proteins and function to deliver the toxic C-terminus of a polymorphic surface-exposed exoprotein BcpA (Burkholderia CDI protein A) to the cytoplasm of neighboring recipient bacteria upon cell-cell contact. Specific outer and inner membrane proteins facilitate BcpA translocation both out of the donor bacterium and into the recipient cell cytoplasm. Most Burkholderia species-specific CDI translocation factors in recipient cells are unknown. BcpA intoxication functions as a mechanism by …

Precision Drug Delivery For Vancomycin Efficacy And Safety In Critically Ill Patients, Alexander Flannery

Theses and Dissertations--Clinical and Translational Science

Vancomycin is the most commonly prescribed antibiotic for hospitalized patients. Despite this fact and decades of clinical use, clinicians remain challenged to meet dosing targets of this narrow therapeutic index drug as well as minimize the risks of therapy, primarily nephrotoxicity. These concerns are magnified in critically ill patients given their severity. Accordingly, in a series of five clinical studies, we sought to identify optimal methods of vancomycin administration in critically ill patients to maximize efficacy and minimize nephrotoxicity via three techniques: use of continuous versus intermittent infusion, use of first-dose pharmacokinetic calculations to guide dosing, and use of loading …

White Paper On Engineering Controls For Bioaerosols In Non-Industrial/ Non-Healthcare Settings, Cheri L. Marcham, American Conference Of Governmental Industrial Hygienists

Publications

The list of disease pathogens that can be transmitted in the air is extensive. This list includes the common cold, SARS, measles, Hansen's disease (leprosy), polio, influenza, Legionella (Legionnaires’ disease and Pontiac fever), and tuberculosis (TB). TB, SARSCoV-1, avian influenza, varicella, and now SARS-CoV-2 all have received public notice due not only to their known or assumed ability to be transmitted in the air rapidly from one individual to another, but also for their virulence. Other bioaerosols that can be transmitted through the air include bacteria, fungal spores and fragments, dust mites, and pollen. This document was developed to address …

No Casual Relationship Between T2dm And The Risk Of Infectious Diseases: A Two-Sample Mendelian Randomization Study, Huachen Wang, Zheng Guo, Yulu Zheng, Chunyan Yu, Haifeng Hou, Bing Chen

Research outputs 2014 to 2021

Background: In epidemiological studies, it has been proven that the occurrence of type 2 diabetes mellitus (T2DM) is related to an increased risk of infectious diseases. However, it is still unclear whether the relationship is casual. Methods: We employed a two-sample Mendelian randomization (MR) to clarify the causal effect of T2DM on high-frequency infectious diseases: sepsis, skin and soft tissue infections (SSTIs), urinary tract infections (UTIs), pneumonia, and genito-urinary infection (GUI) in pregnancy. And then, we analyzed the genome-wide association study (GWAS) meta-analysis of European-descent individuals and conducted T2DM-related single-nucleotide polymorphisms (SNPs) as instrumental variables (IVs) that were associated with …

Associations Between Genetic Variants In The Vitamin D Metabolism Pathway And Severity Of Covid-19 Among Uae Residents, Fatme Al-Anouti, Mira Mousa, Spyridon N. Karras, William B. Grant, Zainab Alhalwachi, Laila Abdel-Wareth, Maimunah Uddin, Nawal Alkaabi, Guan K. Tay, Bassam Mahboub, Habiba Alsafar

Research outputs 2014 to 2021

Vitamin D has many effects on cells in the immune system. Many studies have linked low vitamin D status with severity of COVID-19. Genetic variants involved in vitamin D metabolism have been implicated as potential risk factors for severe COVID-19 outcomes. This study investigated how genetic variations in humans affected the clinical presentation of COVID-19. In total, 646 patients with SARS-CoV-2 infection were divided into two groups: noncritical COVID-19 (n = 453; 70.12%) and a critical group (n = 193; 29.87%). Genotype data on the GC, NADSYN1, VDR, and CYP2R1 genes along with data on serum 25-hydroxyvitamin D levels were …

Collaboration Between Public Health And Marketing Experts As A Response To Covid-19, M. Courtney Hughes, Yihui Tang, Shupei Yuan

Faculty Articles, Papers, and Other Scholarship

Since the beginning of 2020, as the world’s population has dealt with COVID-19 and abrupt changes to the normal status quo, academic scholars are no exception, experiencing radical changes to their teaching modalities (remote versus in-person) and often major interruptions in their research. One month after the initial shift to working remotely in March, we obtained approval from Northern Illinois University’s Institutional Review Board to conduct a brief survey with recently published academic scholars in the fields of public health and marketing to understand their views of how this unprecedented time may affect their work. In examining patterns in the …