Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: Urban greenspace and anxiety symptoms during the COVID-19 pandemic: A 20-month follow up of 19,848 participants in England
Using time use diaries to track changing behavior across successive stages of COVID-19 social restrictions
Long COVID In Adults at 12 Months After Mild-to-Moderate SARS-CoV-2 Infection
Highly-specific early detection of colorectal cancer by novel non-invasive serum methylation biomarkers
Pathogenesis of Alzheimer's disease: Involvement of the Choroid Plexus
Clustering of physical health multimorbidity in 68,392 people with severe mental illness and matched comparators: a lifetime prevalence analysis of United Kingdom primary care data
Development of at-home sample collection logistics for large scale SARS-CoV-2 seroprevalence studies
Timing and Dose of Pharmacological Thromboprophylaxis in Adult Trauma Patients: Perceptions, Barriers, and Experience of Saudi Arabia Practicing Physicians
Augmented curation of clinical notes of COVID-19 and influenza patients reveals that long-term neuropsychiatric and coagulopathic symptoms are more associated with COVID-19
Worldwide association of lifestyle related factors and COVID-19 mortality
Patterns of treatment and outcome in patients with unresectable or inoperable esophageal cancer: A real world data
Point-of-care testing in a high-income country paediatric emergency department: a qualitative study in Sweden
Estimating local outbreak risks and the effects of non-pharmaceutical interventions in age-structured populations: SARS-CoV-2 as a case study
SARS-CoV-2 Epidemiology on a Public University Campus in Washington State
Seroepidemiology among Employees of New York City Health and Hospitals during the First Wave of the SARS-CoV-2 Epidemic
Asthma and the Risk of SARS-CoV-2 Infection Among Children and Adolescents
Hyperglycemia in Acute COVID-19 is Characterized by Adipose Tissue Dysfunction and Insulin Resistance
Risk factors associated with severe outcomes of COVID-19: A systematic rapid review to inform national guidance on vaccine prioritization in Canada
Side Effects and Perceptions Following Sinopharm COVID-19 Vaccination
Analysis of opioid distribution before and after recreational marijuana legalization in California
Genomics of Post-Vaccination SARS-CoV-2 Infections During the Delta Dominated Second Wave of COVID-19 Pandemic, from Mumbai Metropolitan Region (MMR), India
A one-step real-time RT-PCR assay for simultaneous typing of SARS-CoV-2 mutations associated with the E484K and N501Y spike protein amino-acid substitutions
Segmental analysis in cervical spinal cord injury reveals the recovery potential of hand muscles with preserved corticospinal tract: Insights beyond impairment scales
A comparison of health care use after severe COVID-19, respiratory syncytial virus, and influenza in children
Data sharing in the age of predictive psychiatry: An adolescent perspective
Chronic Kidney Disease in Ecuador: An Epidemiological and Health System Analysis of an Emerging Public Health Crisis