Instruct: Identify the main category of Medrxiv papers based on their titles.
Query: Effectiveness of vaccination in preventing severe SARS CoV-2 infection in South India-a hospital based cross sectional study
"The vaccination is positive; I don't think it's the panacea": A qualitative study on COVID-19 vaccine attitudes among ethnically diverse healthcare workers in the United Kingdom
The patient experience of COVID-19: A qualitative investigation with symptomatic outpatients
Combination of blood biomarkers and stroke scales improves identification of large vessel occlusions
Silver diamine fluoride and oral-health related quality of life: A network meta-analysis
Spike mutations of the SARS-CoV-2 Omicron: more likely to occur in the epitopes
Metal concentrations in breastmilk of Fuzhou nursing mothers associates with dietary and lifestyle factors
The impact of heating, ventilation, and air conditioning design features on the transmission of viruses, including the 2019 novel coronavirus: a systematic review of ventilation and coronavirus
Human Papillomavirus Infection Rate by Genotype and Vaccination Rates in Canada: Canadian Health Measures Survey 2009 to 2013
First wastewater surveillance-based city zonation for effective COVID-19 pandemic preparedness powered by early warning: A study of Ahmedabad, India
Prior infection with SARS-CoV-2 boosts and broadens Ad26.COV2.S immunogenicity in a variant dependent manner
Impact of Clinical and Genomic Factors on SARS-CoV2 Disease Severity
PRState: Incorporating Genetic Ancestry in Prostate Cancer Risk scores for African American Men
Mapping evoked fields in primary motor and sensory areas via magnetoencephalography in tetraplegia
Somatic mutations in both blood cells and vascular endothelium from patients with severe coronary artery diseases
Infant malnutrition in low- and middle-income countries: assessment and prevalence of small and nutritionally at-risk infants aged under 6 months in 54 Demographic & Health Survey datasets
COVID19, Consumption and Inequality: A Systematic Analysis of Rural Population of India
Clinical diagnosis of COVID-19: a prompt, feasible, and sensitive diagnostic tool for COVID-19 based on a 1,757-patient cohort (The AndroCoV Clinical Scoring for COVID-19 diagnosis).
Study of effect modifiers of genetically predicted CETP reduction
COVID-19 mass testing: harnessing the power of wastewater epidemiology
Charting Elimination in the Pandemic: A SARS-CoV-2 Serosurvey of Blood Donors in New Zealand
Accessing Medical Care for Infertility: A Study of Women in Mexico
Genetically predicted levels of the human plasma proteome and risk of stroke: a Mendelian Randomization study
Regional performance variation in external validation of four prediction models for severity of COVID-19 at hospital admission: An observational multi-centre cohort study
Epidemiology and costs of post-sepsis morbidity, nursing care dependency, and mortality in Germany
Real-time genomics to track COVID-19 post-elimination border incursions in Aotearoa New Zealand