Instruct: Identify the main category of Medrxiv papers based on the titles.
Query: Significantly elevated antibody levels and neutralization titers in nursing home residents after SARS-CoV-2 BNT162b2 mRNA booster vaccination
Evaluating Real-World COVID-19 Vaccine Effectiveness Using a Test-Negative Case-Control Design
ACTIVE SURVEILLANCE OF THE SPUTNIK V VACCINE IN HEALTH WORKERS
Impact of the COVID-19 pandemic and response on the utilisation of health services during the first wave in Kinshasa, the Democratic Republic of the Congo
Altered branched-chain α-keto acid metabolism is a feature of NAFLD in individuals with severe obesity
The subcortical morphology correlates of autistic traits in school-age children: a population-based neuroimaging study
Geographic clusters of objectively measured physical activity and the characteristics of their built environment in a Swiss urban area
Early prediction of preeclampsia in pregnancy with circulating, cell-free RNA
Redeployment and training of healthcare professionals to Intensive Care during COVID-19: a systemic review
Emergence of an early SARS-CoV-2 epidemic in the United States
How unequal vaccine distribution promotes the evolution of vaccine escape
Association between COVID-19 Risk-Mitigation Behaviors and Specific Mental Disorders in Youth
Spatiotemporal spread of COVID-19: Comparison of the inhomogeneous SEPIR model and data from South Carolina
Specific gait changes in prodromal hereditary spastic paraplegia type 4 - The preSPG4 study
Prime hAd5 Spike plus Nucleocapsid Vaccination Induces Ten-Fold Increases in Mean T-Cell Responses in Phase 1 Subjects that are Sustained Against Spike Variants
Hospitalization as reliable indicator of second wave COVID-19 pandemic in eight European countries
Incidence and Outcomes of Pulmonary embolism among hospitalized COVID-19 patients
Threat imminence reveals links among unfolding of anticipatory physiological response, cortical-subcortical intrinsic functional connectivity, and anxiety
EPIDEMIOLOGICAL PROFILE AND CLINICAL CONDITIONS OF WOMEN WITH OR WITHOUT PRECURSORLESION FOR CERVICAL CANCER
Post discharge persistent symptoms after COVID-19 in rheumatic and musculoskeletal diseases
Redeployment and training of healthcare professionals to Intensive Care during COVID-19: a systematic review
Evaluation of international guidance for the community treatment of complex emotional needs: A systematic review
A strategy to assess spillover risk of bat SARS-related coronaviruses in Southeast Asia
Family-Assisted Severity of Illness Monitoring for Hospitalized Children in Low-resource settings: a two-arm interventional pilot study
Occupation, Work-Related Contact, and SARS-CoV-2 Anti-Nucleocapsid Serological Status: Findings from the Virus Watch prospective cohort study
Detection of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in a fourplex real-time quantitative reverse transcription-PCR assays.