Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Making sense of non-randomized comparative treatment studies in times of Covid-19: A case study of tocilizumab
Comparative study of immunogenicity and safety of Gam-COVID-Vac and Sinopharm BBIBP-CorV vaccines in Belarus
Sero-surveillance for IgG to SARS-CoV-2 at antenatal care clinics in two Kenyan referral hospitals
A random-walk-based epidemiological model
Racial Differences in Liver Cancer Incidence and Risk Factors Among a Low Socioeconomic Population
Medication use and physical assaults in the psychiatric emergency room
Percolation across households in mechanistic models of non-pharmaceutical interventions in SARS-CoV-2 disease dynamics
Challenges to self-isolation among contacts of cases of COVID-19: a national telephone survey in Wales
Low Gut Ruminococcaceae Levels are Associated with Occurrence of Antibiotic-associated Diarrhea
Associations between indicators of socioeconomic position and DNA methylation: A systematic review
Autism in gifted youth is associated with low processing speed and high verbal ability
Importance of patient bed pathways and length of stay differences in predicting COVID-19 bed occupancy in England
Investigation of clinical characteristics and genome associations in the UK Lipoedema cohort
Efficacy and safety of Ayurveda interventions for Sinusitis: A systematic review and meta-analysis.
Variant-driven multi-wave pattern of COVID-19 via Machine Learning clustering of spike protein mutations
Antigen-specific tolerization in human autoimmunity: Inhibition of interferon-beta1a anti-drug antibodies in multiple sclerosis
Study on the mucosal and serological immune response to the Novel Coronavirus (SARS-CoV-2) vaccine
A Longitudinal Normative Dataset and Protocol for Speech and Language Biomarker Research
A case-control study of autoimmune AEFIs following COVID-19 vaccination reported to VAERS
Systematic review reveals multiple sexually antagonistic polymorphisms affecting human disease and complex traits
The National Institute on Aging Late Onset Alzheimer's Disease Family Based Study: A Critical Component of the International Effort to Understand Alzheimer's Disease
Modeling shield immunity to reduce COVID-19 transmission in long-term care facilities
Accurate genome-wide germline profiling from decade-old archival tissue DNA reveals the contribution of common variants to precancer disease outcome
Genetic influences on neurodevelopmental disorders and their overlap with co-occurring conditions in childhood and adolescence: A meta-analysis.
The Milano Sforza Registers
Waning Effectiveness of the Third Dose of the BNT162b2 mRNA COVID-19 Vaccine