Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: Real-world effectiveness of Ad26.COV2.S adenoviral vector vaccine for COVID-19
Incidence of Lyme disease in the United Kingdom and association with fatigue: a population-based, historical cohort study
Impact and cost-effectiveness of frequent HIV re-testing among key populations in Viet Nam: a modeling study
SARS-CoV-2 seroprevalence in Delhi, India: September October 2021: a population based seroepidemiological study
COVID-19 vaccine effectiveness against laboratory confirmed symptomatic SARS-CoV-2 infection, COVID-19 related hospitalizations and deaths, among individuals aged 65 years or more in Portugal: a cohort study based on data-linkage of national registries February-September 2021
Mask up! Testing strategies to increase mask usage in Kenya
Association Between HIV PrEP Indications and Use in a National Sexual Network Study of Men Who Have Sex with Men
Unrepresentative Big Surveys Significantly Overestimate US Vaccine Uptake
Trends in clinical characteristics and associations of severe non-respiratory events related to SARS-CoV-2
Geographical and temporal distribution of SARS-CoV-2 globally: An attempt to correlate case fatality rate with the circulating dominant SARS-CoV-2 clades
Schwann cells contribute to keloid formation
Evaluation Of The Rims2 Locus As A Risk Locus For Parkinson's Disease Dementia
Day Camp in the Time of COVID-19: What Went Right?
Seroprevalence of SARS-CoV-2 antibodies prior to the widespread introduction of vaccine programmes in the WHO European Region, January - December 2020: a systematic review
Enhancing Histopathological Colorectal Cancer Image Classification by using Convolutional Neural Network
The Missing Science: Epidemiological data gaps for COVID-19 policy in the United States
Effective Connectivity of LSD-induced Ego Dissolution
Integrative approach to interpret DYRK1A variants, leading to a frequent neurodevelopmental disorder
Child marriage and adverse reproductive outcomes among young Afghan women: implication for policy and practice in Afghanistan
School Feeding Programmes and Physical Nutrition Outcomes of Primary School Children in Developing Countries
Increasing Sample Diversity in Psychiatric Genetics - Introducing a new Cohort of Patients with Schizophrenia and Controls from Vietnam - Results from a Pilot Study
Comparison of Mammography Artificial Intelligence Algorithms for 5-year Breast Cancer Risk Prediction
Effective vaccine allocation strategies, balancing economy with infection control against COVID-19 in Japan
Progression of COVID19 Pandemic in India: A Concurrent Linear Regression Analysis Approach
Changing characteristics over time of individuals receiving COVID-19 vaccines in Denmark: A population-based descriptive study of vaccine uptake
HematoNet: Expert Level Classification of Bone Marrow Cytology Morphology in Hematological Malignancy with Deep Learning