Instruct: Identify the main category of a Medrxiv paper based on its title.
Query: The impact of COVID-19 restrictions on older adults' loneliness: Evidence from high-frequency panel data
Causality of Abdominal Obesity on Cognition: a Trans-ethnic Mendelian Randomization study
Drinking water chlorination impact on fecal carriage of extended-spectrum beta-lactamase-producing Enterobacteriaceae in Bangladeshi children in a double-blind, cluster-randomized controlled trial
Protocol for a nationwide Internet-based health survey in workers during the COVID-19 pandemic in 2020
Superspreading of SARS-CoV-2 infections: A Systematic Review and Meta-analysis
Long-term effects of increased adoption of artemisinin combination therapies in Burkina Faso
Physical, cognitive and mental health impacts of COVID-19 following hospitalisation: a multi-centre prospective cohort study
Biologic correlates of beneficial convalescent plasma therapy in a COVID-19 patient reveal disease resolution mechanisms
Comparison of post-COVID depression and major depressive disorder
Linking vestibular function and sub-cortical grey matter volume changes in a longitudinal study of aging adults
Development of models of care coordination for rare conditions: A qualitative study
SEIRDQ: A COVID-19 case projection modeling framework using ANN to model quarantine
Neuropsychiatric, cognitive and brain morphology characteristics of conversion from Mild Cognitive Impairment to Alzheimers Disease
Effectiveness of Covid-19 vaccines against SARS-CoV-2 Omicron variant (B.1.1.529): A systematic review with meta-analysis and meta-regression
Real-World Effectiveness and Tolerability of Monoclonal Antibodies for Ambulatory Patients with Early COVID-19
General Health Checks in Adult Primary Care: A Review
Serum proteome analysis of systemic JIA and related pulmonary alveolar proteinosis identifies distinct inflammatory programs and biomarkers
Hospitalized patients with severe COVID-19 during the Omicron wave in Israel - benefits of a fourth vaccine dose
Study protocol for an inception cohort investigating possible predictors of systemic steroids effectiveness in treatment of acute sciatic pain
Long-term symptoms after SARS-CoV-2 infection in a cohort of hospital employees: duration and predictive factors
Durability of antibody responses and frequency of clinical and subclinical SARS-CoV-2 infection six months after BNT162b2 COVID-19 vaccination in healthcare workers
Strategy and performance evaluation of low-frequency variant calling for SARS-CoV-2 in wastewater using targeted deep Illumina sequencing
Informing patients that they are at high risk for serious complications of viral infection increases vaccination rates
Changes to hypothalamic volume and associated subfields during gender-affirming hormone treatment in gender dysphoria
Global prevalence of antidepressant utilization in the community: A protocol for a systematic review
Household composition, smoking cessation and relapse: results from a prospective longitudinal Australian cohort