Instruct: Identify the main category of Medrxiv papers based on the titles.
Query: Existence of SARS-CoV-2 RNA on ambient particulate matter samples: A nationwide study in Turkey
Ambient air pollution and COVID-19 in National Capital Territory of Delhi, India: a time-series evidence
Grouping theory of epidemiology
Comparative profiles of SARS-CoV-2 Spike-specific human milk antibodies elicited by mRNA- and adenovirus-based COVID-19 vaccines
An Ebola virus disease model with fear and environmental transmission dynamics
Performance characteristics of five antigen-detecting rapid diagnostic test (Ag-RDT) for SARS-CoV-2 asymptomatic infection: a head-to-head benchmark comparison
Excess COVID-19-associated deaths among the unvaccinated population >= 18 years old in the United States, May 30 through December 4, 2021
Prescription Practices of Medical Cannabinoids in Children with Cerebral Palsy - A Survey of the Swiss Cerebral Palsy Registry
Disease-specific contribution of pulvinar dysfunction to impaired emotion recognition in schizophrenia
Aggressive Antipyretics in CNS Malaria: Study Protocol of a Randomized-Controlled Trial Assessing Antipyretic Efficacy and Parasite Clearance Effects (Malaria FEVER Study)
Infectious SARS-CoV-2 in Exhaled Aerosols and Efficacy of Masks During Early Mild Infection
Nonutility of procalcitonin for diagnosing bacterial pneumonia in COVID-19
Comparison of VATS Pleurectomy/Decortication Surgery plus Hyperthermic Intrathoracic Chemotherapy with VATS talc pleurodesis for the treatment of Malignant Pleural Mesothelioma: a randomized pilot study
Child Suicide Rates During the COVID-19 pandemic in England
Large scale brain network dynamics in very preterm children and relationship with socio-emotional outcomes
The indirect effect of mRNA-based Covid-19 vaccination on unvaccinated household members
Persistence, prevalence, and polymorphism of sequelae after COVID-19 in young adults
Characteristics and mechanism of reciprocal ST-segment depression in acute ST segment elevation myocardial infarction
Genome-Wide Association Identifies the First Risk Loci for Psychosis in Alzheimer Disease
Meta-analysis of rapid direct-to-PCR assays for the qualitative detection of SARS-CoV-2
Covariate clustering: women with breast cancer in southwestern Parana, Brazil
The CT Scan Lung Severity Score and Vaccination Status in COVID-19 patients during the Second Wave in India: Perspective of an Independent Radiology Practice
Effect of park use and landscape structure on COVID-19 transmission rates
Development of the NeuroFlow Severity Score and Comparison With Validated Measures for Depression and Anxiety
Evaluation of the INDICAID COVID-19 Rapid Antigen Test in symptomatic populations and asymptomatic community testing
Pathogenesis of Alzheimer's disease: Involvement of the Choroid Plexus