Instruct: Identify the main category of Medrxiv papers based on their titles.
Query: How well does SARS-CoV-2 spread in hospitals?
Natural Progression of Routine Laboratory Markers following Spinal Trauma: A Longitudinal, Multi-Cohort Study
Urine test predicts kidney injury and death in COVID-19
Assessments of heavy lift UAV quadcopter drone to support COVID 19 vaccine cold chain delivery for indigenous people in remote areasin South East Asia
Returning to the workplace during the COVID-19 pandemic: The concerns of Australian workers
Covid-19 impact on Parkinson's Disease patients treated by drugs or deep brain stimulation
Durability of antibody responses elicited by a single dose of Ad26.COV2.S and substantial increase following late boosting
Unmasking Seasonal Cycles in Human Fertility: How holiday sex and fertility cycles shape birth seasonality
Efficacy of Nitazoxanide in reducing the viral load in COVID-19 patients. Randomized, placebo-controlled, single-blinded, parallel group, pilot study.
Secondary attack rates of COVID-19 in Norwegian families: A nation-wide register-based study
Impaired antibacterial immune signaling and changes in the lung microbiome precede secondary bacterial pneumonia in COVID-19
Antibody persistence and neutralising activity in primary school students and staff: prospective active surveillance, June to December 2020, England
High-resolution epigenome analysis in nasal samples derived from children with respiratory viral infections reveals striking changes upon SARS-CoV-2 infection
Magnetic resonance spectroscopy of anoxic brain injury after cardiac arrest
Saccade dynamics in the recovery phase of abducens nerve palsy
Fading of brain network fingerprint in Parkinson's disease predicts motor clinical impairment
Impact of COVID-19 pandemic on Black, Asian and Minority Ethnic (BAME) communities: a qualitative study on the perspectives of BAME community leaders
Down-regulation of SARS-CoV-2 neutralizing antibodies in vaccinated smokers
Augmented mean arterial pressure supersedes STS-PROM risk score in predicting 1-year mortality in TAVR patients
Emergence of Severe Metastatic Hypervirulent Klebsiella pneumoniae infections in Texas
Cytokines (IL-17, IL-23 and IL-33) in Systemic lupus erythematosus in Trinidad and Tobago.
Spillover Benefit of Pre-Exposure Prophylaxis for HIV Prevention: Evaluating the Importance of Effect Modification using an Agent-Based Model
GWAS defines pathogenic signaling pathways and prioritizes drug targets for IgA nephropathy
The Gastric Cancer Registry: A Genomic Translational Resource for Multidisciplinary Research in Stomach Malignancies
Prodromal Progressive Supranuclear Palsy: insights from the UK Biobank
Immunogenicity and Safety of the inactivated SARS-CoV-2 vaccine (BBIBP-CoV) in patients with malignancy