Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: Saliva as a Reliable Sample for COVID-19 Diagnosis in Paediatric Patients
SARS-CoV-2 mRNA vaccines induce a greater array of spike-specific antibody isotypes with more potent complement binding capacity than natural infection
Business as Un-usual: Access to mental health and primary care services for people with severe mental illness during the COVID-19 restrictions
Increased prevalence and clinical impact of hypocalcaemia in severe COVID-19 distinguishes it from other forms of infective pneumonia
The effect of competition between health opinions on epidemic dynamics
Many Oil Wells, One Evil: Potentially toxic metals concentration, seasonal variation and Human Health Risk Assessment in Drinking Water Quality in Ebocha-Obrikom Oil and Gas Area of Rivers State, Nigeria.
Australian children's foot, ankle and leg problems in primary care: a secondary analysis of the Bettering the Evaluation and Care of Health (BEACH) data
The Preventive Treatment of Migraine with Low-Dose Naltrexone/Acetaminophen Combination: Findings of a Small, Randomized, Double-Blind, and Placebo-Controlled Clinical Trial with an Open-Label Extension for None-Responders
Sex-specific genetic and transcriptomic liability to neuroticism
The effect of calcium supplementation in people under 35 years old: A systematic review and meta-analysis of randomized controlled trials
Survey of Contaminated Percutaneous Injuries in Anesthesia Practitioners
Overestimation of School-Based Deworming Coverage Resulting from School-Based Reporting
Determinants of Late Initiation for Antenatal Care Follow up Among Pregnant Mothers Attending Public Health Centers at Jimma Town, South West Ethiopia, 2021: Unmatched Case Control Study.
A capacity assessment of healthcare workers to provide second-line antiretroviral therapy in Malawi: 2016
Easing COVID-19 lockdown measures while protecting the older restricts the deaths to the level of the full lockdown
Maternal depression and child human capital: A genetic instrumental-variable approach
Population level risk stratification of hypertensive patients by predictive modeling
Immune system and blood-brain barrier-wide biomarker analyses provide causal evidence for autoimmunity in dementia
The genetic architecture of human infectious diseases and pathogen-induced cellular phenotypes
Mortality in hemodialysis: Synchrony of biomarker variability indicates a critical transition
PONT: A Protocol for Online Neuropsychological Testing
SARS-CoV-2 Testing Strategies for Outbreak Mitigation in Vaccinated Populations
Level and determinants of willingness to pay for rapid COVID-19 testing delivered through private retail pharmacies in Kenya.
Molecular phenotypes associated with antipsychotic drugs in the human caudate nucleus
Evaluating implementation of LEAPS, a youth-led early childhood care and education intervention in rural Pakistan: protocol for a stepped-wedge cluster randomized trial
The emergence of SARS-CoV-2 variant(s) and its impact on the prevalence of COVID-19 cases in Nabatieh region, Lebanon