Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: A Comparison of Four Commercially Available RNA Extraction Kits for Wastewater Surveillance of SARS-CoV-2 in a College Population
In-House, Rapid, and Low-Cost SARS-CoV-2 Spike Gene Sequencing Protocol to Identify Variants of Concern Using Sanger Sequencing
Can infrared camera images be used for screening in Adolescent Idiopathic Scoliosis?
Community-level characteristics of COVID-19 vaccine hesitancy in England: A nationwide cross-sectional study
Development and validation of a length- and habitus-based method of ideal and lean body weight estimation for critically ill adults requiring urgent weight-based medical intervention
Maternal cigarette smoking and cleft lip and palate: A systematic review and meta-analysis
Clotting factor genes are associated with preeclampsia in high altitude pregnant women in the Peruvian Andes
Social predictors of food insecurity during the stay-at-home order due to the COVID-19 pandemic in Peru. Results from a cross-sectional web-based survey
You're just there, alone in your room with your thoughts: A qualitative study about the impact of lockdown among young people during the COVID-19 pandemic
Predicting past and future SARS-CoV-2-related sick leave using discrete time Markov modelling
A Crowdsourcing Approach to Develop Machine Learning Models to Quantify Radiographic Joint Damage in Rheumatoid Arthritis
Integrated Analyses of Growth Differentiation Factor-15 Concentration and Cardiometabolic Diseases in Humans
Seroprevalence of Chagas in urban and rural indigenous populations of the south of Gran Chaco
COVID-19 Hospitalisation in Portugal, the first year: Results from hospital discharge data
Avoidable burden of stomach cancer and potential gains in healthy life years from gradual reductions in salt consumption in Vietnam, 2019 to 2030: a modelling study
Narratives of the convalescent plasma donor in a Peruvian social security hospital: motivations, fears, expectations and experiences
Extent of cord pathology in the lumbosacral enlargement in non-traumatic versus traumatic spinal cord injury
Strategies to investigate and mitigate collider bias in genetic and Mendelian randomization studies of disease progression
The acceptance of covid-19 vaccines in Sub-Saharan Africa: Evidence from 6 national phone surveys
Decoding hand and wrist movement intention from chronic stroke survivors with hemiparesis using a user-friendly, wearable EMG-based neural interface
Molecular Epidemiology of SARS-CoV-2 in Cyprus
Testing the Validity of the Modified Vaccine Attitude Question Battery across 22 Languages with a Large-scale International Survey Dataset: Within the Context of COVID-19 Vaccination
Interpreting Wastewater SARS-CoV-2 Results using Bayesian Analysis
COVID-19: a study about the impact of coronavirus on physicians of La Plata, Argentina
Lessons learned and lessons missed: Impact of the Covid-19 pandemic on all-cause mortality in 40 industrialised countries prior to mass vaccination
Contact tracing indicators for COVID-19: rapid scoping review and conceptual framework