Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: Understanding social and environmental factors and their contribution mechanisms to HIV transmission among heterosexual men in Indonesia
Humoral immune responses to COVID-19 vaccination in people living with HIV on suppressive antiretroviral therapy
Sequential appearance and isolation of a SARS-CoV-2 recombinant between two major SARS-CoV-2 variants in a chronically infected immunocompromised patient
The indirect effect of mRNA-based Covid-19 vaccination on unvaccinated household members
How well do face masks protect the wearer compared to public perceptions?
Accelerated partner therapy contact tracing for people with chlamydia: The LUSTRUM cluster cross-over randomised controlled trial
System inference via field inversion for the spatio-temporal progression of infectious diseases: Studies of COVID-19 in Michigan and Mexico
Ropinirole hydrochloride for amyotrophic lateral sclerosis: A single-center, randomized feasibility, double-blind, placebo-controlled trial
Ultrastructural characterisation of young and aged dental enamel by atomic force microscopy
Prioritization of putatively detrimental variants in euploid miscarriages
Prevalence of diabetic macular edema and risk factors among diabetic patients at the University of Gondar Tertiary Eye Care and Training Center, North West Ethiopia
The allometric propagation of COVID-19 is explained by human travel
The role of social support in achieving weight loss in adults in the Caribbean aiming to achieve remission of type 2 diabetes: A cross-case analysis.
High-intensity exercise is a risk factor for renal medullary carcinoma in individuals with sickle cell trait
International Travel-Related Control Measures to contain The Covid-19 Pandemic: An update to a Cochrane Rapid Review
Presence of Mediastinal Lymphadenopathy in Hospitalized Covid-19 Patients in a Tertiary Care Hospital in Pakistan - A cross-sectional study
To what extent do we need to rely on non-pharmaceutical interventions while COVID-19 vaccines roll out in 2021?
Generation time of the Alpha and Delta SARS-CoV-2 variants
A comprehensive antigen production and characterization study for easy-to-implement, highly specific and quantitative SARS-CoV-2 antibody assays
Aesthetic evaluation of the need for orthodontic treatment / Perception among university students
Effects of drinking water, sanitation, handwashing, and nutritional interventions on immune status in young children: a cluster-randomized controlled trial in rural Bangladesh
Testing the Validity of the Modified Vaccine Attitude Question Battery across 22 Languages with a Large-scale International Survey Dataset
Anatomy of SARS-CoV-2 outbreak of vaccinated: An observational case-control study of COVID-19 breakthrough infections, COVID-19 appropriate behavior and anti-spike-IgG response as a correlate of protection in Medical college students at Rural Medical College, India
Stages of COVID-19 pandemic and paths to herd immunity by vaccination: dynamical model comparing Austria, Luxembourg and Sweden
RIC3 variants are not associated with Parkinson's Disease in large European, Latin American, or East Asian cohorts
Long term impact on lung function of patients with moderate and severe COVID-19. A prospective cohort study