Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Impact of the COVID-19 pandemic on cognitive function in Japanese community-dwelling older adults in a class for preventing cognitive decline
Correlation of Long-Term Care Facility Influenza Vaccination Practices between Seasons and Resident Types
Early Identification of SARS-CoV-2 Emergence in the DoD via Retrospective Analysis of 2019-2020 Upper Respiratory Illness Samples
Neurocognitive measures of self-blame and risk prediction models of recurrence in major depressive disorder
Association of HIV with COVID-19 Outcomes Among Hospitalized Adults
The urothelial transcriptomic response to interferon gamma predicts T1 recurrence-free and basal/squamous muscle-invasive bladder cancer survival and better targeted strategies for immune checkpoint blocking.
Outdoor long-range transmission of COVID-19 and patient zero
Subcortical brain volumes in young infants exposed to antenatal maternal depression: Findings from a South African birth cohort
Exome-wide analysis of copy number variation shows association of the human leukocyte antigen region with asthma in UK Biobank
Exploring causal relationships between COVID-19 and cardiometabolic disorders: A bi-directional Mendelian randomization study
SARS-CoV-2 RNA and antibody dynamics in a Dutch household study with dense sampling frame
Dexamethasone 12 mg versus 6 mg for patients with COVID-19 and severe hypoxia: an international, randomized, blinded trial
Nurses Perceptions regarding the antiretroviral therapy services at selected health facilities in Lesotho
Community-Based Accompaniment for Adolescents Transitioning to Adult HIV Care in Urban Peru: a Pilot Study
Impact of age, gender, ethnicity and prior disease status on immunogenicity following administration of a single dose of the BNT162b2 mRNA Covid-19 Vaccine: real-world evidence from Israeli healthcare workers, December-January 2020
Do school closures and school reopenings affect community transmission of COVID-19? A systematic review of observational studies
State minimum wage, paid sick leave, and food insufficiency during the COVID-19 pandemic
A transnational and transregional study of the impact and effectiveness of social distancing for COVID-19 mitigation
Knowledge, attitude, and practice related to the COVID-19 pandemic among undergraduate medical students in Indonesia: a nationwide cross-sectional study
Main COVID-19 information sources in a culturally and linguistically diverse community in Sydney, Australia: A cross-sectional survey
Antibody and T cell responses to Sinopharm/BBIBP-CorV in naive and previously infected individuals in Sri Lanka
Common and Disorders-Specific Cortical Thickness Alterations in Internalizing, Externalizing and Thought Disorders in the Preadolescents of the ABCD Study
The Association between Early Country-level Testing Capacity and Later COVID-19 Mortality Outcomes
RT-LAMP has high accuracy for detecting SARS-CoV-2 in saliva and naso/oropharyngeal swabs from asymptomatic and symptomatic individuals
Lung Perfusion Disturbances Detected with MRI in Non-Hospitalized Post-COVID-19 Individuals with Dyspnea 3 -13 Months after the Acute Disease
Seroreactivity to SARS-CoV-2 in individuals attending a university campus in Bogota Colombia