Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Nursing students' attitudes, knowledge, and willingness to receive the COVID-19 vaccine: A cross-sectional study
Toxic heavy metals in the breast milk of diabetic and non-diabetic postpartum mothers in Yenagoa, Nigeria
Evaluation of the Access Bio CareStartTM rapid SARS-CoV-2 antigen test in asymptomatic individuals tested at a community mass-testing program in Western Massachusetts
Estimating the impact of Angelman syndrome on parental productivity in Australia using productivity-adjusted life years
Using numerical modelling and simulation to assess the ethical burden in clinical trials and how it relates to the proportion of responders in a trial sample
Meta-analysis fine-mapping is often miscalibrated at single-variant resolution
An AI-assisted Online Tool for Cognitive Impairment Detection Using Images from the Clock Drawing Test
Emerging Therapies for COVID-19: the value of information from more clinical trials
Large-scale evaluation of an AI system as an independent reader for double reading in breast cancer screening
SARS-CoV-2 epidemic in the South American Southern cone: can combined immunity from vaccination and infection prevent the spread of Gamma and Lambda variants while easing restrictions?
Vaccine effectiveness and duration of protection of Comirnaty, Vaxzevria and Spikevax against mild and severe COVID-19 in the UK
The evidence on transmission dynamics of COVID-19 from pre- and asymptomatic cases: protocol for a systematic review. (Version 2 modified on 6 July 2021)
How unequal vaccine distribution promotes the evolution of vaccine escape
Assessing the causal role of epigenetic clocks in the development of multiple cancers: a Mendelian randomization study
NeuroSmog: Determining the impact of air pollution on the developing brain: project protocol
Adverse events and their association with comorbidities after first and second doses of Covishield vaccination among healthcare workers of Government owned medical colleges in Kerala
Patient-reported respiratory outcome measures in the recovery of adults hospitalised with COVID-19: A systematic review and meta-analysis
qPCR in a suitcase for rapid Plasmodium falciparum and Plasmodium vivax surveillance in Ethiopia
Glycated haemoglobin measurements from UK Biobank are different to those in linked primary care records: implications for combining biochemistry data from research studies and routine clinical care
Scoping Review and Interpretation of Myofascial Pain/Fibromyalgia Syndrome: An Attempt to Assemble a Medical Puzzle
On the mathematical modelling and analysis of Listeriosis from contaminated food products
Thyroid Function Analysis in COVID-19: A Retrospective Study from a Single Center
Genetic Connection to Drug-Induced Liver Injury (DILI) Through Statistical Learning Methods
Increased neutralization and IgG epitope identification after MVA-MERS-S booster vaccination against Middle East respiratory syndrome
The role of airborne transmission in a large single source outbreak of SARS-CoV-2 in a Belgian nursing home in 2020
Delta subvariants of SARS-COV-2 in Israel, Qatar and Bahrain: Optimal vaccination as an effective strategy to block viral evolution and control the pandemic