Instruct: Identify the main category of Medrxiv papers based on the titles.
Query: ROCCA study protocol and interim analysis on safety of Sputnik V vaccine (Gam-COVID-Vac) in the Republic of San Marino: an observational study using active surveillance
'We don't routinely check vaccination background in adults': a national qualitative study of barriers and facilitators to vaccine delivery and uptake in adult migrants through UK primary care
A Sepsis Treatment Algorithm to Improve Early Antibiotic De-escalation While Maintaining Adequacy of Coverage (Early-IDEAS): A Prospective Observational Study
Malaria molecular surveillance in the Peruvian Amazon with a novel highly multiplexed Plasmodium falciparum Ampliseq assay
Bacterial genotypic and patient risk factors for adverse outcomes in Escherichia coli bloodstream infections: a prospective molecular-epidemiological study
Plasma biomarkers for diagnosis of Alzheimer's disease and prediction of cognitive decline in individuals with mild cognitive impairment
Favipiravir, lopinavir-ritonavir or combination therapy (FLARE): a randomised, double blind, 2x2 factorial placebo-controlled trial of early antiviral therapy in COVID-19
Immuno-fibrotic drivers of impaired lung function in post-acute sequelae of SARS-CoV-2 infection (PASC)
Aberrant levels of cortical myelin distinguish individuals with unipolar depression from healthy controls
Fast raster-scan optoacoustic mesoscopy enables assessment of human melanoma microvasculature in vivo
Comparison of antigen- and RT-PCR-based testing strategies for detection of Sars-Cov-2 in two high-exposure settings
A randomized, double-blind phase I clinical trial of two recombinant dimeric RBD COVID-19 vaccine candidates: safety, reactogenicity and immunogenicity
Role of COVID-19 vaccinal status in admitted children during OMICRON variant circulation in Rio de Janeiro, city- Preliminary report
From "don, doff, and discard" to "don, doff, and decontaminate" - determination of filtering facepiece respirator and surgical mask integrity and inactivation of a SARS-CoV-2 surrogate and a small non-enveloped virus following multiple-cycles of vaporised hydrogen peroxide, ultraviolet germicidal irradiation, and dry heat decontamination
Face masks to prevent transmission of respiratory diseases: Systematic review and meta-analysis of randomized controlled trials
UK and other SARS-CoV-2-Covariants - Simulation Modeling 70% Increase
DNA methylation signatures and the contribution of age-associated methylomic drift to carcinogenesis in early-onset colorectal cancer
BNT162b2 vaccination induces SARS-CoV-2 specific antibody secretion into human milk with minimal transfer of vaccine mRNA
SARS-CoV-2 Seroprevalence among Healthcare Workers
PERIPHERAL INOTROPES IN CRITICALLY ILL CHILDREN - IS IT SAFE?
A Hidden Structural Variation in a Known IRD Gene: A Cautionary Tale of Two New Disease Candidate Genes
T cell receptor sequencing specifies psoriasis as a systemic and atopic dermatitis as a skin-focused, allergen-driven disease
Structural differences in adolescent brains can predict alcohol misuse
Inequality in access to dental services in a market-based dental care system. A population study from Norway 1975-2018
Evaluation of patients treated by telemedicine in the COVID-19 pandemic by a private clinic in Sao Paulo, Brazil: A non-randomized clinical trial preliminary study
Copy number heterogeneity identifies ER+ breast cancer patients with adverse outcome after adjuvant endocrine therapy