Instruct: Identify the main category of Medrxiv papers based on their titles.
Query: Toxoplasmosis: An important risk factor for acquiring SARS-CoV-2 infection and a severe course of Covid-19 disease
Into the thirteenth Month: A Case Study on the Outbreak Analytics and Modeling the spread of SARS-CoV-2 Infection in Pune City, India
Occupational inequalities in the prevalence of COVID-19: A longitudinal observational study of England, August 2020 to January 2021
Humoral and cellular immune responses to CoronaVac assessed up to one year after vaccination
The Relationship Between Food Security and Dietary Patterns Status with COVID-19 in Northeastern Iran: Protocol for a Case-Control Study
Cross-sectional assessment of predictors for COVID-19 vaccine uptake: an online survey in Greece
Somatic mutation involving diverse genes leads to a spectrum of focal cortical malformations
Importance of E484K and N501Y mutations in SARS-CoV-2 for genomic surveillance: rapid detection by restriction enzyme analysis
Seven-month kinetics of SARS-CoV-2 antibodies and protective role of pre-existing antibodies to seasonal human coronaviruses on COVID-19
Direct influence of BMPR2-mutations on cytokine patterns and biomarker effectiveness in pulmonary arterial hypertension.
SARS-CoV-2 show no infectivity at later stages in a prolonged COVID-19 patient despite positivity in RNA testing
Effectiveness of CoronaVac in the setting of high SARS-CoV-2 P.1 variant transmission in Brazil: A test-negative case-control study
Bayesian Model Averaging to Account for Model Uncertainty in Estimates of a Vaccine's Effectiveness
Whole-exome Sequencing Study of Hypospadias
Conflicts of interest and physicians' attitudes towards hydroxychloroquine as a treatment against COVID-19: A replication and extension of Roussel & Raoult (2020)
Development and validation of a modified Cambridge Multimorbidity Score for use with internationally recognized electronic health record clinical terms (SNOMED CT)
Vaccine effectiveness of the BNT162b2 mRNA COVID-19 vaccine against RT-PCR confirmed SARS-CoV-2 infections, hospitalisations and mortality in prioritised risk groups
The impact of COVID-19 on the oncologic outcomes of 3236 patients undergoing ColoRectal Cancer surgery in Northern Italy in 2019 and 2020 (COVID-CRC): results of a multicentric comparative cohort study.
Reliability of citations of medRxiv preprints in articles published on COVID-19 in the world leading medical journals
Generalized Radiograph Representation Learning via Cross-supervision between Images and Free-text Radiology Reports
Rapid Lifestyle Prototyping: Assessment of Infrared Spectroscopic Blood Responses for Short-term Lifestyle Interventions
Closed-loop stimulation of lateral cervical spinal cord in upper-limb amputees to enable sensory discrimination
Effect of physical inactivity and tobacco use on mortality and morbidity in revascularized patients with peripheral arterial disease: A nationwide cohort study
An Analysis of SARS-CoV-2 Vaccine Breakthrough Infections and Associated Clinical Outcomes
Cardiac and aortic size measures in adult echocardiography should be indexed by body surface area regardless of body mass index
CD56brightCD16- NATURAL KILLER CELLS ARE IN HIGHER COUNTS IN THE UMBILICAL CORD BLOOD THAN IN THE PERIPHERAL BLOOD