Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Endotracheal application of ultraviolet A light in critically ill severe acute respiratory syndrome coronavirus-2 patients: A first-in-human study
Assessment of the infectious threshold of SARS-CoV-2 in primary airway epithelial cells
In Vivo Cortical Microstructure: A Proxy for Tauopathy and Cognitive impairment in the Elderly with and without MCI/Dementia
Efficacy of premarital genotype screening and counselling on knowledge toward Sickle Cell disease among university students in Dodoma Tanzania: uncotrolled quasi-experimental study
Pervasive transmission of E484K and emergence of VUI-NP13L with evidence of SARS-CoV-2 co-infection events by two different lineages in Rio Grande do Sul, Brazil
Childhood Stunting and Its Associated Factors in Ethiopia
Work-related musculoskeletal disorders and associated factors among cleaners of health institutions in Gondar town, Northwest Ethiopia: an institution based cross-sectional study
How to tie dangerous surgical knots - easily. Can we avoid this?
Adiposity and Glucose Intolerance in Offspring of Diabetic Mothers in India
Investigating the health effects of 3 coexisting tobacco and nicotine products using system dynamics population modeling: An Italian population case study
Tracking the temporal variation of COVID-19 surges through wastewater-based epidemiology during the peak of the pandemic: a six-month long study in Charlotte, North Carolina
Whole genome analysis in APOE4 homozygotes identifies the DAB1-RELN pathway in Alzheimer's disease pathogenesis
The relationship of COVID-19 related stress and media consumption with schizotypy, depression and anxiety
The natural history of TB disease - a synthesis of data to quantify progression and regression across the spectrum
Demographic and socioeconomic factors predict maternal postpartum rehospitalization: a retrospective nuMoM2b dataset study
An analysis of patients' perspectives on qualitative olfactory dysfunction using social media
Playing the Harmonica with Chronic Obstructive Pulmonary Disease. A qualitative study
Correlates of COVID-19 vaccine acceptance, hesitancy and refusal among employees of a safety net California county health system with an early and aggressive vaccination program: Results from a cross-sectional survey
Outbreak of P.3 (Theta) SARS-CoV-2 emerging variant of concern among service workers in Louisiana
Testing and Vaccination to Reduce the Impact of COVID-19 in Nursing Homes: An Agent-Based Approach
Genetic and environmental effects on the immune phenotypes in type 1 diabetes
Longitudinal Risk Factor for Developing Depression in Parkinson's Disease
COVID-19 pandemic dynamics in India, the SARS-CoV-2 Delta variant, and implications for vaccination
Factors associated with COVID-19 susceptibility and severity in patients with multiple sclerosis: A systematic review
Improvement of behavioural pattern and alpha-synuclein levels in autism spectrum disorder after consumption of a beta-glucan food supplement in a randomized, parallel-group pilot clinical study
A Mobile App for Prolonged Grief among Bereaved Parents: Study Protocol for a Randomized Controlled Trial