Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Persistence of neuropsychiatric symptoms associated with SARS-CoV-2 positivity among a cohort of children and adolescents
Service-user experiences of an integrated psychological intervention for depression or anxiety and tobacco smoking in IAPT: A qualitative investigation into mechanisms of change in quitting smoking
Plasma cell-free DNA promise disease monitoring and tissue injury assessment of COVID-19
Usual Source of Primary Care and Preventive Care Measures in a Pandemic: A Nationwide Study in Japan
Estimation of the onset rate and the number of asymptomatic patients of COVID-19 from the proportion of untraceable patients
Experiences of supported isolation in returning travellers during the early COVID-19 response: an interview study
Effectiveness of Covid-19 Vaccines against the SARS-COV-2-Delta (B.1.617.2) in China-A Real World Study
Trends in Covid-19 hospital mortality in women and men
Genetic and environmental determinants of diastolic heart function
Primary Care Diagnosis and Treatment of Attention-Deficit/Hyperactivity Disorder in School-aged Children: Trends and Disparities During the COVID-19 Pandemic
Interrogating structural inequalities in COVID-19 Mortality in England and Wales
Accessibility and Disability Inclusion Among Top-Funded U.S. Undergraduate Institutions
Cluster detection with random neighbourhood covering: application to invasive Group A Streptococcal disease.
Impact of COVID-19 on Migrants' Access to Primary Care:A National Qualitative Study
Inference on the dynamics of the COVID pandemic from observational data
Unifying diagnostic criteria for gestational diabetes mellitus
Relative assessment of cloth mask protection against ballistic droplets: a frugal approach
regentrans: a framework and R package for using genomics to study regional pathogen transmission
Interleukin-6 receptor genetic variation and tocilizumab treatment response to COVID-19
Evaluation of Measles Surveillance System amidst Covid 19 pandemic in Asutifi North District, Ahafo Region, Ghana.
SARS-CoV-2 vaccine antibody response and breakthrough infections in patients receiving dialysis
Genomic epidemiology of SARS-CoV-2 in Russia reveals recurring cross-border transmission throughout 2020
Are allergic diseases a risk factor for systemic side effects after COVID-19 vaccines?
Effectiveness of BNT162b2 (Comirnaty, Pfizer-BioNTech) COVID-19 booster vaccine against covid-19 related symptoms in England: test negative case-control study
Analyzing the U.S. Post-marketing safety surveillance of COVID-19 vaccines
The basic reproduction number of COVID-19 across Africa