Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: The World Mortality Dataset: Tracking excess mortality across countries during the COVID-19 pandemic
Sex-associated differences between body mass index and SARS-CoV-2 antibody titers following the BNT162b2 vaccine among 2,435 healthcare workers in Japan
Reduced Neutralization of SARS-CoV-2 Omicron Variant by Vaccine Sera and Monoclonal Antibodies
Six-month sequelae of post-vaccination SARS-CoV-2 infection: a retrospective cohort study of 10,024 breakthrough infections
Detection of neutralizing antibodies against SARS-CoV-2 by using a commercial surrogate virus neutralization ELISA: can it substitute the classical neutralization test?
OpenSAFELY NHS Service Restoration Observatory 1: describing trends and variation in primary care clinical activity for 23.3 million patients in England during the first wave of COVID-19
Population homogeneity for the antibody response to COVID-19 BNT162b2/Comirnaty vaccine is only reached after the second dose, across all adult age range.
Performance of polygenic risk scores for cancer prediction in a racially diverse academic biobank
Germline Allelic Expression of Genes at 17q22 Locus Associates with Risk of Breast Cancer
Knowledge awareness and practice with antimicrobial stewardship programmes among healthcare providers in a Ghanaian Tertiary Hospital.
Treatment of Early Hypertension among Persons Living with HIV in Haiti: protocol for a randomized controlled trial
A Qualitative Study Regarding Messages of the COVID-19 Vaccine from Vaccinated Healthcare Providers and Healthy Adults
Effectiveness and Safety of Niclosamaide as Add-on Therapy to the Standard of Care Measures in COVID-19 Management: Randomized controlled clinical trial
Previous Infection Combined with Vaccination Produces Neutralizing Antibodies With Potency Against SARS-CoV-2 Variants
Short-term improvement of mental health after a COVID-19 vaccination
COVID-19 Infection Risk amongst 14,104 Vaccinated Care Home Residents: A national observational longitudinal cohort study in Wales, United Kingdom, December 2020 to March 2021
A 'step too far' or 'perfect sense'? A qualitative study of British adults' views on mandating COVID-19 vaccination and vaccine passports
Metatranscriptomic Signatures of Lung Function in Pediatric Hematopoietic Cell Transplant Candidates
Nonpharmaceutical Interventions Remain Essential to Reducing COVID-19 Burden Even in a Well-Vaccinated Society: A Modeling Study
IgG1 pan-neurofascin antibodies identify a severe yet treatable neuropathy with a high mortality
Prevalence of malnutrition among children at primary cleft surgery: A cross-sectional analysis of a global database
Hyaluronan is abundant in COVID-19 respiratory secretions
Longitudinal prediction of motor dysfunction after stroke: a disconnectome study.
Development of a COVID-19 risk-assessment model for participants at an outdoor music festival: Evaluation of the validity and control measure effectiveness
Deoxycholic acid liganded HBs contributes to HBV maturation
Genetic overlap between Parkinson disease and inflammatory bowel disease