Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: COVID-19 policies in practice and their direct and indirect impacts in Northern California jails
Increased mortality among individuals hospitalised with COVID-19 during the second wave in South Africa
Research themes of family and community physicians in Brazil
First-in-human autologous oral mucosal epithelial sheet transplantation to prevent anastomotic re-stenosis in congenital esophageal atresia
Almost significant: trends and P values in the use of phrases describing marginally significant results in 567,758 randomized controlled trials published between 1990 and 2020
Characterizing menstrual bleeding changes occurring after SARS-CoV-2 vaccination
COVID-19 infection dynamics revealed by SARS-CoV-2 wastewater sequencing analysis and deconvolution
Thermal Camera detection of High Temperature for mass COVID Screening
The Association of Marital/Partner Status with Patient-Reported Health Outcomes Following Acute Myocardial Infarction or Stroke: Protocol for a Systematic Review and Meta-analysis
Seroprevalence of anti-SARS-CoV-2 IgG antibodies among truck drivers and assistants in Kenya
The effect of pre-anaesthetic assessment clinic: a systematic review of randomised and non-randomised prospective controlled studies
Repeated Testing Necessary: Assessing Negative Predictive Value of SARS-CoV-2 qPCR in a Population of Young Adults
An intermediate step in bridging the gap between evidence and practice: developing and applying a methodology for "general good practices"
Association of machine learning-derived measures of body fat distribution in >40,000 individuals with cardiometabolic diseases
An AI-based quantitative home-use framework for assessing fertility and identifying novel hormone trends by recording urine hormones
SPEEDS: A Portable Serological Testing Platform for Rapid Electrochemical Detection of SARS-CoV-2 Antibodies
Covid-19 Vaccination in Pregnancy: A Systematic Review
Dual Guidance in Regional Anesthesia Influence of Needle Electrode Configuration on Stimulation Success at Sciatic Nerve; A Randomized, Controlled Pilot Trial
Reconstructed diagnostic sensitivity and specificity of the RT-PCR test for COVID-19
Machine learning-based prediction of cognitive outcomes in de novo Parkinson's disease
Store-Operated Calcium Entry Controls Innate and Adaptive Immune Cell Function in Inflammatory Bowel Disease
Hospital saturation and risk of death without receiving mechanical ventilation in hospitalized COVID-19 patients: a city-wide analysis
Anxiety and Depression in Patients with Pulmonary Hypertension and its Impact on Health-Related Quality of Life
Multiplexed biosensor for point-of-care COVID-19 monitoring: CRISPR-powered unamplified RNA diagnostics and protein-based therapeutic drug management
Efficacy of clarithromycin on COVID-19 pneumonia without oxygen administration; protocol for multicenter, open-label, randomized-controlled, 3-armed parallel group comparison, exploratory trial (CAME COVID study)
EPIDEMIOLOGICAL CHARACTERISTICS AND SEVERITY OF OMICRON VARIANT CASES IN THE APHP CRITICAL CARE UNITS; THE APHP REALITY RESEARCH GROUP