Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Changes Over Time in COVID-19 Vaccination Inequalities in Eight Large U.S. Cities
Infant Vaccination Does Not Predict Increased Infant Mortality Rate: Correcting Past Misinformation
Effectiveness of Financial Incentives for a Pedometer-Based Walking Promotion Program
Hospital mortality in COVID-19 patients in Belgium treated with statins, ACE inhibitors and/or ARBs
Passive surveillance of human-biting ticks correlates with town-level disease rates in Massachusetts
Validation of a rapid and sensitive SARS-CoV-2 screening system developed for pandemic-scale infection surveillance
Post-COVID-19 syndrome in outpatients: a cohort study
Psychiatric disorders and self-harm across 26 adult cancers: cumulative burden, temporal variation, excess years of life lost and unnatural causes of deaths
Longitudinal and comparative analysis of humoral response upon COVID-19 vaccination
Testing Black-White disparities in biological aging in older adults in the United States: analysis of DNA-methylation and blood-chemistry methods
Anti-neuronal IgG4 autoimmune diseases and IgG4-related diseases may not be part of the same spectrum: a comparative study
A rare missense variant in the ATP2C2 gene is associated with language impairment and related measures
Impact of dexamethasone on persistent symptoms of COVID-19: an observational study
Did the COVID-19 pandemic result in more family physicians stopping practice? Results from Ontario, Canada
Comparative effectiveness of the BNT162b2 vs ChAdOx1 vaccine against Covid-19
Quantifying the dynamics of COVID-19 burden and impact of interventions in Java, Indonesia
Toxic heavy metals in the breast milk of diabetic and non-diabetic postpartum mothers in Yenagoa, Nigeria
Study of the effectiveness of partial quarantines applied to control the spread of the Covid-19 virus
Interpretable machine learning prediction of all-cause mortality
Physician-confirmed and administrative definitions of stroke in UK Biobank reflect the same underlying genetic trait.
Seroreactivity to SARS-CoV-2 in individuals attending a university campus in Bogota Colombia
Where the truth really lies: Listening to voices from African American communities in the Southern States about COVID-19 vaccine information and communication
Donor genetic variants in interleukin-6 and interleukin-6 receptor associate with biopsy-proven rejection following kidney transplantation.
Increased Transmissibility of SARS-CoV-2 Lineage B.1.1.7 by Age and Viral Load: Evidence from Danish Households
Safety and immunogenicity of the BBIBP-CorV vaccine in adolescents aged 12-17 years in Thai population, prospective cohort study.
Association of left atrial structure and function with cognitive function among adults with metabolic syndrome