Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: High efficacy of saliva in detecting SARS-CoV-2 by RT-PCR in adults and children
Daily tenofovir disoproxil fumarate/emtricitabine and hydroxychloroquine for pre-exposure prophylaxis of COVID-19: a double-blind placebo controlled randomized trial in healthcare workers
Multiomic investigations of Body Mass Index reveal heterogeneous trajectories in response to a lifestyle intervention
Multiomics implicate gut microbiota in altered lipid and energy metabolism in Parkinsons disease
COVID-19 and Mental Health: Predicted Mental Health Status is Associated with Clinical Symptoms and Pandemic-Related Psychological and Behavioral Responses
No effect of tDCS on fatigue and depression in chronic stroke patients: an exploratory randomized sham-controlled trial combining tDCS with computerized cognitive training
The Global case-fatality rate of COVID-19 has been declining disproportionately between top vaccinated countries and the rest of the world
National-scale surveillance of emerging SARS-CoV-2 variants in wastewater
Development and validation of a dynamic 48-hour in-hospital prognostic risk stratification for COVID-19 in a UK teaching hospital: a retrospective cohort study
Long-term effects of increased adoption of artemisinin combination therapies in Burkina Faso
Discrimination of sleep and wake periods from a hip-worn raw acceleration sensor using recurrent neural networks
Perception and Attitudes of Medical Students Regarding Postoperative Pain Management
Identifying healthy individuals with Alzheimer neuroimaging phenotypes in the UK Biobank
Statistical and agent-based modelling of the transmissibility of different SARS-CoV-2 variants in England and impact of different interventions
Polygenic and socioeconomic risk for high body mass index: 69 years of follow-up across life
USE OF FLUNARIZINE AS A PREVENTIVE FOR VESTIBULAR MIGRAINE CRISES IN COMPARISON WITH OTHER DRUGS: SYSTEMATIC LITERATURE REVIEW
Combinatorial language parent-report score differs significantly between typically developing children and those with Autism Spectrum Disorders
Genomics-informed outbreak investigations of SARS-CoV-2 using civet
Identification of genetic loci associated with antibodies to specific sets of citrullinated peptides in rheumatoid arthritis patients
Simultaneous estimation of bi-directional causal effects and heritable confounding from GWAS summary statistics
Characterization of the significant decline in humoral immune response six months post-SARS-CoV-2 mRNA vaccination: A systematic review
EXTRACELLULAR MATRIX REMODELING IN ATOPIC DERMATITIS HARNESSES THE ONSET OF AN ASTHMATIC PHENOTYPE AND IS A POTENTIAL CONTRIBUTOR TO THE ATOPIC MARCH
Neuroimaging correlates and predictors of response to repeated-dose intravenous ketamine in PTSD
Retinal oxygen delivery and extraction in ophthalmologically healthy subjects with different blood pressure status
Real-world serologic responses to Extended-interval and Heterologous COVID-19 mRNA vaccination in Frail Elderly - Interim report from a prospective observational cohort study
Evolution of SARS-CoV-2 seroprevalence and clusters in school children from June 2020 to April 2021 reflect community transmission: prospective cohort study Ciao Corona