Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: SARS-CoV-2 incidence, transmission and reinfection in a rural and an urban setting: results of the PHIRST-C cohort study, South Africa, 2020-2021
Non-pharmaceutical interventions and the emergence of pathogen variants
Defining the Proteomic and Phosphoproteomic Landscape of Circulating Extracellular Vesicles in the Diabetes Spectrum
A comparison of four commercially available RNA extraction kits for wastewater surveillance of SARS-CoV-2 in a college population
Evaluation of cold pain tolerance in patients with fibromyalgia and opioid use by survival analysis
Multi-omic landscaping of human midbrains identifies neuroinflammation as major disease mechanism in advanced-stage Parkinson's disease
Upper airway gene expression reveals a more robust innate and adaptive immune response to SARS-CoV-2 in children compared with older adults
Communicating risk to patients: developing an Efficiency Index for diagnostic and screening tests
The SARS-CoV-2 receptor-binding domain expressed in Pichia pastoris as a candidate vaccine antigen
Youth-oriented packaging and the demand for e-liquids: Evidence from data scraped from Amazon in the United Kingdom
Serum Markers Predict Brain Death Due to Trauma and Hypoxia Within 32 hours of Injury
On The Dynamics of Interstate Diffusion of Firearm Violence and Impact of Firearm Regulations
Assessment of Genetic Susceptibility to Multiple Primary Cancers through Whole-Exome Sequencing in Two Large Multi-Ancestry Studies
Extremely potent monoclonal antibodies neutralize Omicron and other SARS-CoV-2 variants
A year of COVID-19 GWAS results from the GRASP portal reveals potential SARS-CoV-2 modifiers
Influence of the hospital upon the outcomes of gastrointestinal fistulas: results of a multi-continent, multi-national, multi-center cohort
Temporal Analysis of Social Determinants Associated with COVID-19 Mortality
Evaluation on the Effectiveness on the Implementation of WHO-CST Programme in Hong Kong: A RCT Protocol
FOLIC ACID AND METHOTREXATE USE AND THEIR ASSOCIATION WITH COVID-19 DIAGNOSIS AND MORTALITY: AN ANALYSIS FROM THE UK BIOBANK
Omicron infection of vaccinated individuals enhances neutralizing immunity against the Delta variant
Revealing public opinion towards COVID-19 vaccines using Twitter data in the United States: a spatiotemporal perspective
A multilevel approach to individual and organizational predictors of stress and fatigue among healthcare workers of a university hospital: A longitudinal study
Use of an EHR to inform an administrative data algorithm to categorize inpatient COVID-19 severity
Google Trends as a method to predict new COVID-19 cases
Antimicrobial agents for the treatment of enteric fever chronic carriage: A systematic review
Reference values for amplitude-integrated EEGs in children from 1 month to 17 years of age