Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Subgenomic and negative sense RNAs are not markers of active replication of SARS-CoV-2 in nasopharyngeal swabs
Plant Formulation ATRICOV 452 in Improving the Level of COVID-19 Specific Inflammatory Markers in Patients
Evaluation of SIGLEC1 in the diagnosis of suspected systemic lupus erythematosus
Mapping internet activity in Australian cities during COVID-19 lockdown: how occupational factors drive inequality
Replication of LZTFL1 gene region as a susceptibility locus for COVID-19 in Latvian population.
Continuing inequalities in COVID-19 mortality in England and Wales, and the changing importance of regional, over local, deprivation
Mapping evoked fields in primary motor and sensory areas via magnetoencephalography in tetraplegia
Large-scale screening of asymptomatic for SARS-CoV-2 variants of concern and rapid P.1 takeover, Curitiba, Brazil
Improving breast cancer diagnostics with artificial intelligence for MRI
Low case numbers enable long-term stable pandemic control without lockdowns
Similarities and differences of the COVID-19 second surge in Europe and the Northeast United States
Adolescent vaccination with BNT162b2 (Comirnaty, Pfizer-BioNTech) vaccine and effectiveness against COVID-19: national test-negative case-control study, England
A Model to Predict In-hospital Mortality in Elderly Patients with Community-acquired Pneumonia: a Retrospective Study
Towards achieving a vaccine-derived herd immunity threshold for COVID-19 in the U.S.
Weeding Through the Haze: A Survey on Cannabis Use Among People Living with Parkinson's Disease in the US
Exposure to landscape fire smoke extremely reduced birthweight in low- and middle-income countries
Phenotypic and functional characterisation of circulating cytomegalovirus-specific T cells in healthy virus carriers and lung transplant candidates
Medical students' crisis-induced stress and the association with social support
DNA methylation and general psychopathology in childhood: An epigenome-wide meta-analysis from the PACE consortium
High SARS-CoV-2 seroprevalence in rural Peru, 2021; a cross-sectional population-based study
Community Organizing for Indigenous People in the Philippines: A Proposed Approach
Changes in eating habits and sedentary behavior during the COVID-19 pandemic in adolescents with chronic conditions
The impact of gastric acid suppression on the developing intestinal microbiome of a child
Mortality and outcomes after decompressive craniectomy in children with severe traumatic brain injury
Updated Model for the USA Summer 2021 CoVID-19 Resurgence
Infection spread simulation technology in a mixed state of multi valiant viruses