Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: COVID-19 vaccines dampen genomic diversity of SARS-CoV-2: Unvaccinated patients exhibit more antigenic mutational variance
Assessment of serological assays for identifying high titer convalescent plasma
Impact of vaccine hesitancy on secondary COVID-19 outbreaks in the US
Small-quantity lipid-based nutrient supplements for children age 6-24 months: a systematic review and individual participant data meta-analysis of effects on developmental outcomes and effect modifiers
The impact of leadership on the nursing workforce during the COVID-19 pandemic
Clonal hematopoiesis is associated with protection from Alzheimer's disease
Automation improves repeatability of retinal oximetry measurements
Genome-wide study of DNA methylation in Amyotrophic Lateral Sclerosis identifies differentially methylated loci and implicates metabolic, inflammatory and cholesterol pathways
Toward Evaluation of Disseminated Effects of Medications for Opioid Use Disorder within Provider-Based Clusters Using Routinely-Collected Health Data
A longitudinal resource for studying connectome development and its psychiatric associations during childhood
Engagement with COVID-19 Public Health Measures in the United States: A Cross-Sectional Social Media Analysis from June to November 2020
Cardiometabolic risks of SARS-CoV-2 hospitalization using Mendelian Randomization
A systematic review and meta-analysis of non-workplace interventions to reduce time spent sedentary in adults
Estimating the state of the Covid-19 epidemic curve in Mayotte during the period without vaccination
Day by day symptoms following positive and negative PCR tests for SARS-CoV-2 in non-hospitalized health-care workers: a 90-day follow-up study
Quantifying the relationship between SARS-CoV-2 viral load and infectiousness.
Measurement Invariance and Criterion Validity of Comprehensive Knowledge about HIV/AIDS Prevention Scale in the Uganda Demographic and Health Survey Tool
Stakeholders' perception of possible integration pathways for eye health into school health programme in Zanzibar: a qualitative health system research
Gene-level analysis of rare variants in 363,977 whole exome sequences reveals an association of GIGYF1 loss of function with diabetes
Using an Ecological and Biological Framing for an Anti-racist Covid-19 Approach
Evaluation of the effects of vaccination regimes on the transmission dynamics of COVID-19 pandemic
Effect of long-term low dose glucocorticoid on children with bronchial asthma
Problems with Evidence Assessment in COVID-19 Health Policy Impact Evaluation (PEACHPIE): A systematic review of study design and evidence strength
Identification and Quantification of Bioactive Compounds Suppressing SARS-CoV-2 Signals in Wastewater-based Epidemiology Surveillance
Prediction Model for Severe Community-acquired Pneumonia Development among Patients with Diabetes Mellitus
Dose-Response Effect of Acupuncture for Melasma: A Prospective Cohort Study in a Tertiary Hospital in Thailand