Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: COVID-19 mRNA vaccine is not detected in human milk
Methods for Estimation of SARS-CoV-2 Seroprevalence and Reported COVID-19 Cases in U.S. Children, August 2020 - May 2021
A joint hierarchical model for the number of cases and deaths due to COVID-19 across the boroughs of Montreal
UB-612, a Multitope Universal Vaccine Eliciting a Balanced B and T Cell Immunity against SARS-CoV-2 Variants of Concern
Assessing the impact of multiple comorbidities on fatal outcome in young COVID-19
A rapid and simple protocol for concentration of SARS-CoV-2 from sewage
Domiciliary high-flow nasal cannula oxygen therapy for stable hypercapnic COPD patients: a prospective, multicenter, open-label, randomized controlled trial
COVID-BioB Cohort Study: the neutralizing antibody response to SARS-CoV-2 in symptomatic COVID-19 is persistent and critical for virus control and survival.
Factors associated with COVID-19 vaccine receipt at two integrated healthcare systems in New York City: A Cross sectional study of healthcare workers
Discharge prediction of critical patients with spinal cord injury: a machine learning study with 1485 cases
Evidence of long-lasting humoral and cellular immunity against SARS-CoV-2 even in elderly COVID-19 convalescents showing a mild to moderate disease progression
Clinical trial emulation can identify new opportunities to enhance the regulation of drug safety in pregnancy.
Seizure likelihood varies with day-to-day variations in sleep duration in patients with refractory focal epilepsy: A longitudinal EEG investigation.
Evaluation of a novel, rapid antigen detection test for the diagnosis of SARS-CoV-2
Health Economic Burden of COVID-19 in Saudi Arabia
Vaccination of Front-Line Workers with the AstraZeneca COVID-19 Vaccine: Benefits in the Face of Increased Risk for Prothrombotic Thrombocytopenia
DIRC3-IGFBP5 is a shared genetic risk locus and therapeutic target for carpal tunnel syndrome and trigger finger
Design and implementation of a global site assessment survey among HIV clinics participating in the International epidemiology Databases to Evaluate AIDS (IeDEA) research consortium
SARS-CoV-2 seroprevalence in the urban population of Qatar: An analysis of antibody testing on a sample of 112,941 individuals
Multiple Sclerosis: Exploring the Limits of Genetic and Environmental Susceptibility
Machine-learning based preoperative analytics for the prediction of anastomotic insufficiency in colorectal surgery: a single-centre pilot study
No proof for retinal amyloid after oral curcumin in amyloid confirmed AD cases
An in-depth analysis of phosphorylated tau in amyotrophic lateral sclerosispost-mortem motor cortex and cerebrospinal fluid
Reduced serum neutralization capacity against SARS-CoV-2 variants in a multiplex ACE2 RBD competition assay
Genome Recombination between Delta and Alpha Variants of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2)
Impact of tiered restrictions on human activities and the epidemiology of the second wave of COVID-19 in Italy