Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Four doses of the inactivated SARS-CoV-2 vaccine redistribute humoral immune responses away from the Receptor Binding Domain
Vitamin D and socioeconomic deprivation mediate COVID-19 ethnic health disparities
Reproductive health needs of Human papillomavirus (HPV) Positive women: A systematic review
A disproportionate epidemic: COVID-19 cases and deaths among essential workers in Toronto, Canada
Smelling Household-Odorants Effectively Screens for COVID-19
A phase IV, multi-centre, randomized clinical trial comparing two pertussis-containing vaccines in pregnant women in England and vaccine responses in their infants
Will the Large-scale Vaccination Succeed in Containing the COVID-19 Epidemic and How Soon?
Justification, safety, and efficacy of a third dose of mRNA vaccine in maintenance hemodialysis patients: a prospective observational study
Multi-ancestry Genome-wide Association Study of Varicose Veins Reveals Polygenic Architecture, Genetic Overlap with Arterial and Venous Disease, and Novel Therapeutic Opportunities
An interdisciplinary outpatient therapy program for children and adolescents with headache - real world data
Targeted transcutaneous cervical spinal cord stimulation promotes upper limb recovery in spinal cord and peripheral nerve injury
Outcomes of SARS-CoV-2 Infection in Patients with Chronic Liver Disease and Cirrhosis: a N3C Study
Uncovering the linguistic characteristics of psychotherapy: a computational approach to measure therapist language timing, responsiveness, and consistency
Factors affecting aerosol size distribution during various dental procedures
The Unequal Burden of the Covid-19 Pandemic: Racial/Ethnic Disparities in US Cause-Specific Mortality
Evaluation of a novel direct capture method for virus concentration n wastewater from COVID-19 infectious ward and correlation analysis with the number of inpatients.
A validation study of the identification of haemophagocytic lymphohistiocytosis in England using population-based health data
Systematic review of food insecurity and violence against women and girls: mixed methods findings from low- and middle-income settings
Attitudes towards vaccines and intention to vaccinate against COVID-19: Implications for public health communications in Australia
COVID-19 policies in practice and their direct and indirect impacts in Northern California jails
Irremediable psychiatric suffering in the context of physician assisted death: a Delphi-study
JAX-CNV: A whole genome sequencing-based algorithm for copy number detection at clinical grade level
Plateaus, rebounds and the effects of individual behaviours in epidemics
Estimating the Efficacy of Common Treatments in Children and Young Adults Diagnosed with Cerebral Palsy Using Three Machine Learning Algorithms
An experimental feasibility study evaluating the adequacy of sportswear-type wearables for recording physical exercise intensity
Clinical Trial Data Sharing: A Cross-Sectional Study of Outcomes Associated with Two NIH Models