Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Air travel-related outbreak of multiple SARS-CoV-2 variants
Reliably Assessing Duration of Protection for COVID-19 Vaccines
Description and clinical validation of a real-time AI diagnostic companion for fetal ultrasound examination
Trends in homelessness and injection practices among young urban and suburban people who inject drugs: 1997-2017
Factors confounding the athlete biological passport: a systematic narrative review
A regression discontinuity analysis of the social distancing recommendations for older adults in Sweden during COVID-19
Characteristics and mechanism of reciprocal ST-segment depression in acute ST segment elevation myocardial infarction
The pitfalls of inferring virus-virus interactions from co-detection prevalence data: Application to influenza and SARS-CoV-2
I do not know anybody who said, oh great, lets get measles: a qualitative study of responses to childhood vaccinations (MMRV) among Orthodox Jews in Jerusalem following the 2018-19 measles outbreaks
Cerebrovascular risk factors impact brain phenotypes and cognitive function in healthy population
Safety and immunogenicity of BNT162b2 mRNA COVID-19 vaccine in Japanese patients after allogeneic stem cell transplantation.
Human Papillomavirus (HPV) self-testing among un- and under-screened Maori, Pasifika, and Asian women in Aotearoa New Zealand: a preference survey among responders and interviews with clinical-trial non-responders
Turning green: the impact of changing to more eco-friendly respiratory healthcare. A carbon and cost analysis of Dutch prescription data.
Long-term low-dose acetylsalicylic use shows protective potential for the development of both vascular dementia and Alzheimer's disease in patients with coronary heart disease but not in other individuals from the general population: results from two large cohort studies
Late Combination shows that MEG adds to MRI in classifying MCI versus Controls
Determinants of stunting among children < 5 years of age: Evidence from 2018-2019 Zambia Demographic and Health Survey
Birth history is associated with whole-blood and T-cell methylation patterns in relapse onset multiple sclerosis
DRAGON-Data: A platform and protocol for integrating genomic and phenotypic data across large psychiatric cohorts
Racial and Ethnic Disparities in Years of Potential Life Lost Attributable to COVID-19 in the United States: An Analysis of 45 States and the District of Columbia
Dietary practices, physical activity and social determinants of non-communicable diseases in Nepal: a systemic analysis
A protocol for a prospective observational cross sectional study as part of a service evaluation to identify whether living with frailty is a risk factor of digital exclusion from video consultations.
Early and ongoing importations of SARS-CoV-2 in Canada
Spatial Prevalence and Determinants of Malaria among under-five Children in Ghana
T-cell responses as a correlate of COVID-19 vaccination. A pilot study in Health Care Workers.
Genomic stratification of clozapine prescription patterns using schizophrenia polygenic scores
Effects of Side-Effect Risk Framing Strategies on COVID-19 Vaccine Intentions: A Randomized Controlled Trial