Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: How different pre-existing mental disorders and their co-occurrence affects clinical outcomes of COVID-19? A study based on real-world data in the Southern United States
How Timing of Stay-home Orders and Mobility Reductions Impacted First-Wave COVID-19 Deaths in US Counties
Post-stroke executive function impairments in relation to white matter damage due to stroke lesions versus leukoaraiosis
Twitter Discourse on Nicotine as Potential Prophylactic or Therapeutic for COVID-19
Visual and refractive status of children with Down's syndrome and nystagmus
Estimation of the morbidity and mortality of congenital Chagas disease: a systematic review and meta-analysis
Rapid increase in Omicron infections in England during December 2021: REACT-1 study
Leg-heel chest compression as an alternative for medical professionals in times of COVID-19
Non-pharmaceutical interventions and the emergence of pathogen variants
Carbon dioxide, COVID-19 and the importance of restaurant ventilation: a case study from Spain approaching Christmas 2021
Delay of molecular SARS-CoV-2 testing and turnaround time in Mexico and Colombia
Understanding the burden and mitigating risks in the utilisation of the Emergency Medical Services in the management of community mental health emergencies
COVID-19 mass testing: harnessing the power of wastewater epidemiology
Fatigue in perinatal stroke is associated with the functional connectivity
Safety, Immunogenicity, and Efficacy of a COVID-19 Vaccine (NVX-CoV2373) Co-administered With Seasonal Influenza Vaccines
Proof-of-principle neural network models for classification, attribution, creation, style-mixing, and morphing of image data for genetic conditions
Detection of SARS-CoV-2 RNA Throughout Wastewater Treatment Plants and A Modeling Approach to Understand COVID-19 Infection Dynamics in Winnipeg, Canada
Low linoleic acid foods with added DHA given to Malawian children with severe acute malnutrition improves cognition: a randomized, triple blinded, controlled clinical trial
Replicating extensive brain structural heterogeneity in individuals with schizophrenia and bipolar disorder
Modeling the systemic risks of COVID-19 on the wildland firefighting workforce
The Contributions of Rare Inherited and Polygenic Risk to ASD in Multiplex Families
A Molecular network approach reveals shared cellular and molecular signatures between chronic fatigue syndrome and other fatiguing illnesses
Response to COVID-19 booster vaccinations in seronegative people with MS.
Coronavirus vaccination rates in cultural areas in Germany
Gut Microbiota Markers for Antipsychotics Induced Metabolic Disturbance in Drug Naive Patients with First Episode Schizophrenia _ A 24 Weeks Follow-up Study
COVID-19 testing: disparity between national and institution-based case detection