Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Transmission clusters, predominantly associated with men who have sex with men, play a main role in the propagation of HIV-1 in Northern Spain (2013-2018)
How an election can be safely planned and conducted during a pandemic: Decision support based on a discrete event model
Do school closures and school reopenings affect community transmission of COVID-19? A systematic review of observational studies
Thyroid function and the risk of Alzheimer's disease: A Mendelian Randomisation study
Effects of myopia and glaucoma in the prelaminar neural canal and anterior lamina cribrosa using 1060-nm swept-source OCT
Health-related quality of life of adult COVID-19 patients following one-month illness experience since diagnosis: findings of a cross-sectional study in Bangladesh
Targeted screening for Alzheimer's disease clinical trials using data-driven disease progression models
Method development and characterization of the low molecular weight peptidome of human wound fluids
Ventilation and detection of airborne SARS-CoV-2: elucidating high-risk spaces in naturally ventilated healthcare settings
Increased Risk of Autopsy-Proven Pneumonia with Sex, Season and Neurodegenerative Disease
A collaborative maternity dashboard (CoMaND) for the COVID-19 pandemic: a protocol for timely, adaptive monitoring of perinatal outcomes in Melbourne, Australia
Pre-Exposure Prophylaxis with Various Doses of Hdroxychloroquine among high-risk COVID 19 Healthcare Personnel: CHEER randomized controlled trial
COVID-19 severity impacts on long-term neurological manifestation after hospitalisation
Disentangling the association of hydroxychloroquine treatment with mortality in Covid-19 hospitalized patients through Hierarchical Clustering
Virtually in Synch: A Pilot Study on Affective Dimensions of Dancing with Parkinson's during COVID- 19
Neuropsychiatric disorders as risk factors and consequences of COVID-19: A Mendelian randomization study
Specificity of SARS-CoV-2 antibody-detection assays against S and N protein among pre-COVID-19 sera from patients with protozoan and helminth parasitic infections
Potentially Inappropriate Medication Use and the Hospitalization Rate among Thai Elderly Patients: a Retrospective Cohort Study
Clinical practices underlie COVID-19 patient respiratory microbiome composition and its interactions with the host
Identifying Louisiana Communities at the Crossroads of Environmental and Social Vulnerability, COVID-19, and Asthma
Developing a psychological support intervention to help injured athletes get Back in the Game
A behavioural modelling approach to assess the impact of COVID-19 vaccine hesitancy
What factors converged to create a COVID-19 hot-spot? Lessons from the South Asian community in Ontario.
SARS-CoV-2-antibody response in health care workers after vaccination or natural infection in a longitudinal observational study
Background rates of all-cause mortality, hospitalizations, and emergency department visits among nursing home residents in Ontario, Canada to inform COVID-19 vaccine safety assessments
Optimal Prevalence Threshold To Guide The Implementation Of Mass Drug Administration In Countries Endemic For Schistosomiasis: Comprehensive Synthesis Of Evidence For Developing The Tool