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Optimal Intervention Strategies In Age-Structured Sirvd Model: Epidemiological And Economic Analysis Of Covid-19 In Korea, Joon Chun, Melisa Hendrata

Spora: A Journal of Biomathematics

This study employed an age-structured Susceptible-Infected-Recovered-Vaccinated-Deceased (SIRVD) model to design optimal COVID‑19 intervention strategies by integrating epidemiological dynamics with economic costs. Using empirical data from South Korea, we estimated transmission parameters and analyzed quarantine-based non-pharmaceutical interventions (NPIs) alongside targeted vaccination scenarios. Our results indicated that a stronger form of mild NPI (upper range of Level I), when combined with targeted vaccination that prioritized seniors, achieved substantial reductions in infection peaks and overall economic burden. These findings underscore the effectiveness of age-specific strategies in epidemic management and offer critical insights for policymakers seeking balanced, resource-efficient approaches.

Assessing The Possibilities And Speculations Of Blended Teaching-Learning (Btl) Based On The Online Teaching-Learning (Otl) Experience During Covid-19 In Bangladesh, Nazmun Chaitee

Educational Leadership & Workforce Development Faculty Publications

This research paper investigates the potential and viability of implementing Blended Teaching Learning (BTL) in Bangladesh, drawing on the lessons learned from the COVID-19 Online Teaching Learning (OTL) practice experiences. The study specifically focuses on examining the advantages and challenges encountered by teachers and students in online classes during the pandemic. Through a mixed-methods approach, including questionnaire surveys, interviews, and focus group discussions (FGDs), data was collected from secondary-level teachers and students in Bangladesh. The findings highlight the dedicated efforts made by educators and students in embracing and adapting to online education during the COVID-19 crisis. Furthermore, the study identifies …

Examining First-Generation College Students’ Academic, Social, Emotional, And Financial Experiences During The Coronavirus 2019 (Covid-19) Pandemic, Anika Dorsey Good

Theses and Dissertations

This qualitative phenomenological study investigates the experiences of Black first-generation college students enrolled at a two-year college in the Northeast region of the United States during the COVID-19 pandemic. The study examines the narratives of a historically marginalized population in order to uncover the academic, social, and personal challenges they experienced due to the global health crisis. It also aims to explore the impacts, barriers, and resilience strategies of students through semi-structured interviews, reflective journal writing, and related artifacts. Research has shown that Black college students remain a historically underserved group enrolled in higher education. The Department of Education's National …

Anti-Sars-Cov-2 Nucleoprotein Iga Is Associated With Worse Disease Severity In Critically Ill Covid-19 Pneumonia Patients, David Brett-Major, Dylan S. George, Eric D. Morrell, Carmen Mikacenic, Julie Carstens, Laura E. Evans, Mark M. Wurfel, Pavan K. Bhatraju, M. Jana Broadhurst

Journal Articles: Epidemiology

While humoral responses to vaccination and infection have largely focused on IgG, there is an evolving literature on ways in which IgA may drive neutrophil activity in lung injury secondary to viral infections, including COVID-19. We evaluated 238 immune-naïve, critically ill patients in the first year of the COVID-19 pandemic. Employing a laboratory-developed, multiplexed antibody testing, clinical history, medical record, and machine learning, we pursued relationships between systemic IgA and disease severity. Individuals with elevated anti-N IgA had 4-fold odds of more severe disease. This work emphasizes the importance of continued work to understand how different elements of the immune …

Qualitative Exploration Of Covid-19 Vaccine Uptake Among Healthcare Workers In Sierra Leone: Do The ‘Trusted Messengers’ Trust The Vaccine?, Ifeolu David, Enid Schatz, Wilson Majee

Population Health Leadership and Analytics Faculty Publications and Presentations

Introduction

Vaccine hesitancy is a global issue, and the important role of healthcare workers in addressing vaccine hesitancy is well documented. However, there is limited theory-guided research on the uptake of COVID-19 vaccinations among healthcare workers in low- and middle-income countries (LMICs). This study examined COVID-19 vaccine uptake among healthcare workers in Sierra Leone and assessed the relevance of the 5C model—which posits that vaccine uptake is shaped by confidence, complacency, constraints, calculation and collective responsibility—in explaining their vaccination attitudes, intentions and behaviours.

Methods

24 indepth interviews were conducted in 2022 with healthcare workers in Freetown, Makeni and Kenema. The …

Evaluation Of Interventions For Cognitive Symptoms In Long Covid: A Randomized Clinical Trial, David S Knopman, Deborah Koltai, Daniel T Laskowitz, Jacqueline Becker, Leigh Charvet, Juan Wisnivesky, Alex Federman, Adam Silverstein, Yuliya Lokhnygina, Giuseppina Pilloni, Michelle Haddad, Henry Mahncke, Tom Van Vleet, Rong Huang, Wendy Cox, Diana Terry, Jeannie Karwowski, Netia Mccray, Jenny J Lin, Grace A Mccomsey, Upinder Singh, Linda N Geng, Helen Y Chu, Rebecca Reece, James Moy, Zoe Arvanitakis, Sairam Parthasarathy, Thomas F Patterson, Aditi Gupta, Luis Ostrosky-Zeichner, Jeffrey Parsonnet, Elaine T Kiriakopoulos, Tamara G Fong, Janet Mullington, Sarah Jolley, Nirav S Shah, Sarah Shizuko Morimoto, Joyce K Lee-Iannotti, William D S Killgore, Brigid Dwyer, William Stringer, Carmen Isache, Jennifer A Frontera, Jerry A Krishnan, Ashley O'Steen, Melissa James, Barrie L Harper, Kanecia O Zimmerman

Faculty, Staff and Student Publications

Importance: Treatment for cognitive dysfunction due to postacute sequelae of long COVID (ie, symptoms of fatigue, malaise, weakness, confusion that persist beyond 12 weeks after an initial COVID infection) remains a significant unmet need.

Objective: To test evidence-based rehabilitation strategies for improving cognitive symptoms in persons with long COVID.

Design, setting, and participants: This was a 5-arm, multicenter, randomized clinical trial of 3 remotely delivered interventions conducted between August 17, 2023, and June 10, 2024. The study took place at 22 trial sites and included the screening of individuals with cognitive long COVID.

Interventions: Participants were randomized to 1 of …

The Placenta & Covid-19: Histological Changes & Clinical Implications, Melissa F. Paul, Allyson J. Zadlo Sensor

All Electronic Theses and Dissertations

Introduction: The COVID-19 pandemic presented the medical community with complex and novel challenges, not the least of which is how to optimize prenatal and postnatal care for pregnant individuals who have been infected. At present, seven years have elapsed, and despite definitive research demonstrating adverse outcomes associated with placental changes, no professional consensus has been reached.
Methods: This integrative review includes studies involving pregnant individuals with confirmed SARS-CoV-2 infection, who recovered during the same pregnancy, and their infants. An examination of the data available reveals a triad of placental pathologies (chronic histiocytic intervillositis, perivillous fibrin deposition, and trophoblast necrosis) that …

Factors Correlated With State-Level Variation In Grocery Consumption Changes During The Covid-19 Pandemic, Sun Young Byun

CMC Senior Theses

In this paper, I employ a two-part empirical strategy to explore the effects of the COVID-19 pandemic on grocery consumption across U.S. states. First, I use the United States Department of Agriculture's Weekly Retail Food Sales data from 2018-2023 to estimate a time-series panel model. I use the results to test three hypotheses regarding state-level variation in consumption changes and impacts in the initial pandemic period, the remaining pandemic period, and the post-pandemic period. Second, I use the estimated state-level effects as dependent variables in cross-sectional regressions to test three hypotheses linking variation in state-level consumption patterns to economic, demographic, …

Does Working From Home Impact Audit Quality? Evidence From Non-Pharmaceutical Interventions During Covid-19, Monika Causholli, Sung-Yuan Mark Cheng, Nargess Golshan

Economics Faculty Publications

Catalyzed by the COVID-19 pandemic, many audit firms announced large-scale plans to adopt work-from-home (WFH) policies. It is unclear how this arrangement would affect audit quality. We exploit county-level non-pharmaceutical interventions, such as shelter-in-place orders and lockdowns, that exogenously increased local auditors’ WFH practices. We use a difference-in-differences research design to compare audit engagements that were affected by these policies to those that were not, including those within the same office. We find that WFH is associated with higher audit quality measured by discretionary accruals and going-concern opinions. We also find some evidence that these results are stronger for clients …

Understanding Addiction As A Disease: College Students’ Perspectives On Substance Use In The Covid-19 Era, Aditi Rudrashetty

Athena: Undergraduate Research and Literary Journal

This research explores the neurological basis of addiction as a disease and how the exacerbation of external factors has contributed to negative perceptions of addiction. Specifically, it examines the COVID-19 pandemic and contemporary college student experiences as contextual factors influencing attitudes toward substance use disorders. Negative perceptions contribute to stigma, reduce help-seeking behavior, and influence policy responses, hindering effective support and recovery for individuals with substance use disorders. By examining these perceptions, this study contributes to understanding how addiction is conceptualized and potentially addressed in public health and policy contexts. Surveys and semi-structured interviews were conducted with college students to …

Mortality From Or With Covid-19 Infection, Dagan Coppock, Joseph Glowacki, Constantine Daskalakis, John Zurlo, Nikita Jaggernauth, Daniel Taupin

Division of Infectious Diseases and Environmental Medicine Faculty Papers

In this retrospective study, we compared the cause of death among hospitalized patients who died with a diagnosis of COVID-19 across two periods of the pandemic two years apart: an early period (admissions June to October 2020), when the population was immunologically naïve, and a later period (admissions April to October 2022), when an estimated 96% of the population had immunity from prior infection, vaccination, or both. Two investigators independently reviewed the medical records of 100 in-hospital deaths (50 per period) and classified each death as COVID-19 related, uncertain, or not COVID-19 related, using logistic regression to compare the two …

Impact Of Covid-19 Infection On Left Ventricular Systolic And Diastolic Functions., Hazem Galal Mohamed, Maged Zaghloul Mohamed Amer, Aml Fathy Moustafa, Shady Hussein Mohamed

Mansoura Medical Journal

Background: SARS-CoV-2, the pathogen behind COVID-19, often involves the cardiovascular system due to high ACE2 receptor density in myocardial tissue. While immediate cardiac complications are recognized, the persistent effects on left ventricular (LV) performance require further investigation through echocardiography.

Aim: This study aimed to comprehensively describe the sequelae of COVID-19 infection on the left ventricle using echocardiography

Methods: The study included 100 participants. Cardiac function was assessed using a standard 12-lead ECG and transthoracic echocardiography. LV systolic function was evaluated using the Biplane Simpson Method, and myocardial contractility was further analyzed using Speckle-Tracking Echocardiography (STE).

Results: The mean age was …

Prognostic Value Of Lung Injury Biomarkers In Patients Hospitalized With Covid-19 Without Respiratory Failure At Admission, Jennifer G. Wilson, Greg A. Grandits, Birgit Grund, Shweta S. Mistry, Carolyn Leroux, Angelika Ringor, Neil R. Aggarwal, Daniel D. Murray, Christina E. Barkauskas, Samuel M. Brown, Elizabeth Higgs, Kathryn Shaw-Saliba, Adam Rupert, Virginia L. Kan, Jeremy R. Beitler, Omar Awan, Jamie L. Sturgill, Halima Dawood, Andre C. Kalil, Ioannis Kalomenidis, Abhijit Duggal, Sarah C. Sasson, Minh Q. Ho, Hien H. Nguyen, Jens D. Lundgren, Adit A. Ginde, Wesley H. Self, H. Clifford Lane, Michael A. Matthay, Angela J. Rogers

Markey Cancer Center Faculty Publications

Objectives: – The COVID-19 pandemic highlighted an urgent need to more efficiently identify patients at highest risk for developing respiratory failure. We investigated whether plasma levels of lung injury biomarkers are associated with progression to respiratory failure among adults hospitalized with COVID-19 pneumonia without respiratory failure at admission. Design: – This was a nested case-control study of COVID-19 patients enrolled in the Accelerating COVID-19 Therapeutic Interventions and Vaccines-3 (ACTIV-3)/Therapeutics for Inpatients with COVID-19 (TICO) platform trial who were on less than 20 L/min supplemental oxygen at enrollment. We compared baseline measurements of lung injury biomarkers between participants who progressed to …

Status Of Mental Health Of Children And Sociodemographic Factors Associated With It Three Years Following Covid-19 Pandemic, Dr Dhanyatha T S, Dr Mithila Das Mazumder, Dr Likitha A C

Digital Journal of Clinical Medicine

Background: COVID-19 disrupted every aspect of life, particularly affecting the mental well-being of children. Prolonged school closures, isolation, and lifestyle changes significantly impacted emotional and behavioral development.This study evaluated the mental health status of children three years after the pandemic and analyzed the influence of sociodemographic factors.

Objectives:

1. To assess the current status of mental health among children 7–15 years, three years after  COVID-19.
2. To evaluate the sociodemographic factors associated with mental health outcomes.

Methods:

 A cross sectional study was conducted from June2023 to December 2024 among 125 children aged 7–15 years at our institute.The Child Behavior Checklist (CBCL) was …

When Covid Unmasks More Than Infection: A Case Of Post-Viral Lada, Mikayla Kidd, Amy Duff, Reggie Skains Iii, Sahana Parthasarathy

South Atlantic Division GME Research Days 2026

No abstract provided.

The Differential Impacts Of Internal And External Corporate Social Responsibility Activities On Consumer Trust After Covid-19, Kennadi C. Mccoy

Graduate Theses, Dissertations, and Problem Reports (ETD)

This dissertation explores the strategic role of Corporate Social Responsibility (CSR) in helping small businesses recover from crises, with a specific focus on the COVID-19 pandemic. Different from many traditional studies that highlight the ethical or reputational aspects of CSR, this research will examine its practical effects: how CSR initiatives during crises influence business success by enhancing consumer trust, particularly by examining the differential impact of Internal CSR versus External CSR. The study suggests that, compared with internally focused CSR, external CSR activities will have a greater impact on consumer trust. In addition, the dissertation suggests that this effect is …

If I Only Had The Words (To Tell You): Billy Joel Lyrics In Legal And Medical Scholarship, Seuli Bose Brill, Christian H. Brill

Touro Law Review

Law and medicine are often considered to be among the least accessible professions, partly because of the heavy use of non colloquial jargon. This article examines more than 150 instances in which Billy Joel’s lyrics have been used to improve the accessibility of legal and medical scholarship. Legal and medical professionals have used the words of the “Piano Man” to discuss a variety of topics—everything from civil procedure to property rights and the COVID-19 pandemic to colorectal surgery. Nontraditional communications techniques of this type do not just contribute to the body of legal and medical scholarship; they also help professionals …

“We’Re All In The Struggle Together”: The Experiences Of First-Generation Graduate Students During Covid-19, Rebecca Stallworth, Danielle E. Maurici-Pollock, Jade Obler, Rachel A. Starr

Publications

This study explores the experiences of first-generation graduate students (FGGS) during the COVID-19 pandemic, specifically the positive and negative impacts of the pandemic on their learning experiences and their implications for the design of online graduate programs that foster a sense of belonging.

How Did Covid-19 Affect Volunteer And Donor Management For Human Services Agencies? What Are The Lessons For Future Response?, Nina Yon

Graduate Studies Theses and Dissertations 2026

The COVID-19 pandemic created unprecedented challenges for human services agencies, disrupting the interdependent systems of volunteer engagement and donor support essential to nonprofit sustainability. This study integrates insights from literature, theory, and empirical analysis to examine how nonprofit organizations adapted their volunteer and donor management strategies during this prolonged crisis. Drawing on Contingency Theory and Resource Dependence Theory (RDT), the research explores how organizational structures and strategies evolved in response to shifting environmental conditions, health mandates, and resource constraints. Using a multiple-case qualitative design, data was collected from semi-structured interviews with 20 leaders representing five Central Florida human services agencies, …

Using Medication Pass Analysis To Examine Longitudinal Changes In Va Inpatient Nurse Staffing And Workload Before And Through The Covid-19 Pandemic: 2019-2022, Melissa K Knox, Chase S Eck, Lynette Dorsey, Paras D Mehta, Christine Yang, Laura A Petersen

Faculty, Staff and Students Publications

Background: The COVID-19 pandemic resulted in extended disruption to the health care system. National-level data-driven comparisons of inpatient nurse staffing and workload before and during the pandemic have been limited.

Objectives: Assess the extent to which registered nurse (RN) staffing and workload changed from prepandemic levels in a national integrated health care system.

Research design: Longitudinal descriptive analysis. Medication pass analysis using bar code medication administration data for the peak-time medication pass (PTM) assessing year-over-year changes from 2019 to 2022. To assess significance of year-over-year changes in means we used the Welch 2-sample t test.

Subjects: Staff (N=42,999) administering PTM …

Gene Editing And The Accessibility Of Bioterrorism: Rethinking Global Biosecurity In The Post-Covid-19 Era, Nicholas Morales

Graduate Theses/Dissertations

COVID‑19 demonstrated how a single biological event can strain health systems, disrupt supply chains, undermine national security, and erode public trust. This shock occurred as biotechnology became dramatically more accessible: gene editing and synthetic biology tools once limited to specialized laboratories are now widely available through inexpensive equipment, open‑source data, and decentralized expertise.

This expanded access accelerates innovation but also broadens the threat landscape. The ability to reconstruct pathogens using publicly available sequences and mail‑order DNA shows that complex biological synthesis is no longer confined to state programs. These risks are amplified by opaque biotechnology activities in China, Russia, and …

Recalibrating Readiness: Pandemic Impact On Ot Admissions, Bridget J. Hahn, Kajol Patel, Jacquelyn A. Siegel, Jessica Rappaport, Michelle Mcfall-Johnsen, Kia A. Burks

Journal of Occupational Therapy Education

This study explored shifts in occupational therapy applicant characteristics across two distinct time periods: pre- and post-COVID-19, while also describing admissions policy changes implemented by an urban Midwestern Occupational Therapy Doctorate (OTD) program. Retrospective data from admissions records from 917 applicants (2017 – 2024) were grouped into pre-COVID (2017 – 2020) and post-COVID (2021 – 2024). Academic, pre-professional, interview, and underrepresented minority (URM) status was compared using independent t-tests and chi-square analyses. Cumulative grade point average (GPA) and research experience increased post-pandemic, while pre-professional experience and interview performance declined. The proportion of URM applicants rose significantly from 8.1% pre-COVID to …

Empowering Equity: Latinas In Leadership – Navigating Work-Life Balance In The Post-Pandemic Era, Teresa Excinia

University of the Pacific Theses and Dissertations

This dissertation explored the lived experiences of Latina leaders as they navigated how cultural expectations influenced work–life balance in the post-pandemic era. The COVID-19 pandemic reshaped workplace dynamics, blurring boundaries between professional responsibilities and personal life. For Latinas, these challenges were compounded by cultural expectations that shaped their roles both at home and in the workplace. The purpose of this study was to understand how Latina leaders managed the dual pressures of balancing career demands with cultural and familial obligations. Using Testimonio as the methodological framework, this study captured the voices and narratives of Latina leaders across industries, offering an …

Exploring The Use Of Strategic Influencer Leadership (Sil) In Health Communication: A Cross-Cultural, Multi-Case Study, Katharina Wolf, Catherine Archer, Syafiq B. Assegaff, Joseph Nalloor

Research outputs 2022 to 2026

Purpose This study challenges the social media-centric view of influencers, arguing that health communication benefits from diverse strategic influencers beyond commercial figures. Trust, credibility and cultural resonance are essential for effective public health messaging, yet contemporary approaches often prioritise engagement metrics over strategic influence. Design/methodology/approach This paper employs a multi-case study approach to examine the strategic use of influencers in health communication across Indonesia, the United Arab Emirates and Australia during the COVID-19 pandemic. It explores how health professionals, royal representatives and a politician shaped public health messaging within culturally specific contexts. A mixed-methods approach, incorporating ethnographic research and thematic …

Beyond The Pandemic: How Covid-19 Highlighted The Need For Cross-Sector Healthcare Solutions For Young Australians Living With Adversity, Ennur Erbasi, Shannon Muir, Karen Mclean

Research outputs 2022 to 2026

We explored the perceived impacts of the COVID-19 pandemic on health and healthcare access among young people living with significant adversity in Victoria, Australia, using a convergent parallel mixed-methods design. Guided by a pragmatism epistemology, fifty-seven purposively sampled Victorian adolescents aged 15–19 years with lived experience of adversity completed a primarily quantitative online survey, and eight also participated in semi-structured interviews. Descriptive quantitative results indicated that a greater proportion of participants rated their mental health as fair or poor during COVID-19 (69%) compared to before the pandemic (40%). Similarly, more participants rated their physical health as fair or poor during …

The Correlation Between Clinical Manifestations And Mortality In Covid-19 Infection, Wail A. Tashkandi

Journal of King Abdulaziz University: Medical Sciences

Background: The Coronavirus disease 2019 (COVID-19) pandemic affected more than 700 million individuals worldwide and resulted in the death of over 7 million people. Still, data are scarce on whether specific clinical manifestations of COVID-19 infection correlate with increased mortality rates. Objective: To study the correlation between clinical manifestations and mortality in a cohort of Saudi patients with COVID-19 infection. Methods: This was a retrospective (both descriptive and analytical) study of medical records conducted at a tertiary healthcare center in Jeddah, Saudi Arabia, using a large dataset collected between April and December 2020. The clinical manifestations of patients were studied …

Student Loan Debt And Higher Education Disruptions During Covid-19, Arielle Kuperberg, Danny Turkson, Joan Maya Mazelis, Katherine Fredricks, Anurag Pant

Journal of Student Financial Aid

We collected and analyzed a survey of 1,018 undergraduate students enrolled at a public regional university in Spring 2021, examining pandemic disruptions to education, living situations, and finances in the first year of the pandemic, and their relationship to loan presence and reports of taking out more loans as a result of the pandemic. Over half of students had student loans, and over one-third of them reported that they increased loan debt due to the pandemic. Results revealed pandemic-related academic and financial disruptions increased student debt for some. Students with loans were also more likely to have moved out of …

Karanasan Ng Piling Pamilyang Pilipino Sa Panahon Ng Pandemya: Alaala Ng Enhanced Community Quarantine Sa Metro Manila, Glenda D. Salorsano

Social Sciences and Development Review

The global spread of COVID-19 has become a worldwide phenomenon. Every country faced different challenges brought by the pandemic in which highlighted the strengths and weaknesses of each nation in combating the virus. It not only became a widespread blow to the health sector but also paved the way for the revelation of other social aspects that need attention. This occurrence allowed the concrete identification of other deficiencies in crucial sectors of society that are associated with pandemic response. These include infrastructure, public transportation, public safety, human rights, and access to sufficient and proper food for every family, and financial …

The Perception Of Leader Identity: The Impact Of The Covid-19 Pandemic On Interfaith Hospital Chaplains, Zachary C. Wooten, Jocelyn R. Brown

Interdisciplinary Journal of Leadership Studies

This article showcases the results of one research question in a multi-question study, specifically, “How do interfaith hospital chaplains perceive themselves leaders or part of the leadership process?” To answer this question, researchers interviewed ten interfaith hospital chaplains and employed interpretive phenomenological analysis (IPA). The analysis revealed the participants’ views that interfaith hospital chaplains are part of the leadership processes in hospital systems. A significant opportunity exists for chaplains and the healthcare system at large to engage in a more expansive, interdisciplinary understanding of leadership with the work of healthcare chaplaincy at the center of such discourse. This understanding moves …

Performance Of Digital Economic Indicators During The Covid-19 Pandemic: Payment System Case Of Indonesia, Darjana Darjana, Yanti Rusmawati

Bulletin of Monetary Economics and Banking

We explore the performance of digital payment system instruments during both the pre-COVID-19 period and during the pandemic. We focus on four main digital economic indicators in Indonesia; namely, electronic money, Automated Teller Machine (ATM), digital banking, and Real Time Gross Settlement (RTGS) transactions. Using monthly data covering the period 2013:01 to 2023:04 obtained from Bank Indonesia, we employ the Difference-in-Differences method to assess the impact of the pandemic on digital economic indicators. The results show that during the pandemic, generally, the transaction value of electronic money, digital banking and RTGS are continuously upward trending, while the number of electronic …