Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Long term antibody response to SARS-CoV-2 in children
Increase in SARS-CoV-2 seroprevalence in healthy blood donors after the second wave of COVID-19 pandemic in South-Eastern Italy: evidence for asymptomatic young individuals as potential virus spreaders
Health-care workers in gastrointestinal endoscopy are at higher risk for SARS-CoV-2 infection compared to other aerosol-generating disciplines
Single cell sequencing analysis uncovers genetics-influenced CD16+monocytes and memory CD8+T cells involved in severe COVID-19
Global epidemiology of SARS-CoV-2 infection: a systematic review and meta-analysis of standardized population-based seroprevalence studies, Jan 2020-Dec 2021
Quantitative susceptibility mapping captures chronic multiple sclerosis rim lesions with greater myelin damage: Comparison with high-pass filtered phase MRI
Assessment of correlations between risk factors and symptom presentation among defined at-risk groups following a confirmed COVID-19 diagnosis
First wastewater surveillance-based city zonation for effective COVID-19 pandemic preparedness powered by early warning: A study of Ahmedabad, India
Real-world Evidence for Preventive Effects of Statins on Cancer Incidence: A Trans-Atlantic Analysis
Data-driven identification of health conditions associated with incident Alzheimer's disease dementia risk: a 15 years follow-up cohort from electronic health records in France and the United Kingdom
The Physical Exercise and Cardiovascular Adaptation Monitoring in Pregnancy (PE-CAMP) Randomised Controlled Trial Protocol.
Characteristics of mental health stability during COVID-19: An online survey with people residing in the Liverpool City Region
Outdoor transmission of COVID-19: Analysis of windspeed
Rapid realist review: Anxiolytic effects of music therapy on mechanically ventilated patients
Reproducible in vivo detection of locus coeruleus pathology in Parkinson's disease
Evaluation of Vaccination Strategies for the metropolitan area of Madrid
Estimating the burden of malaria and soil-transmitted helminth co-infection in sub-Saharan Africa: a geospatial study
A human multisystem disorder with autoinflammation, leukoencephalopathy and hepatopathy is caused by mutations in C2orf69
Factors Affecting Guardians' Decision Making on Clinic-based Purchase of Children's Spectacles in Nigeria
A Framework for Advancing Sustainable MRI Access in Africa
The importance of non-pharmaceutical interventions during the COVID-19 vaccine rollout
Impact of key meteorological parameters on the spread of COVID-19 in Mumbai: Correlation and Regression Analysis
A Comparative Analysis of COVID-19 Physical Distancing Policies in Botswana, India, Jamaica, Mozambique, Namibia, Ukraine, and the United States
Reverse causal effect of atrial fibrillation on 17 site-specific cancer risk: A Mendelian randomization study
In Vivo Cortical Microstructure: A Proxy for Tauopathy and Cognitive impairment in the Elderly with and without MCI/Dementia
Prevalence of Chronic Diseases, Depression, and Stress among U.S. Child Care Professionals during the COVID-19 Pandemic