Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Evaluation of silver nanoparticles for the prevention of SARS-CoV-2 infection in health workers: in vitro and in vivo
The Role of Vitamin D in The Age of COVID-19: A Systematic Review and Meta-Analysis
Measuring Voluntary Responses in Healthcare Utilization During and After COVID-19 Pandemic: Evidence from Taiwan
Efficacy of clarithromycin on COVID-19 pneumonia without oxygen administration; protocol for multicenter, open-label, randomized-controlled, 3-armed parallel group comparison, exploratory trial (CAME COVID study)
Using geospatial models to map zero-dose children: factors associated with zero-dose vaccination status before and after a mass measles and rubella vaccination campaign
A small number of early introductions seeded widespread transmission of SARS-CoV-2 in Quebec, Canada
Explainable Brain Disease Classification and Relevance-Guided Deep Learning
Early-life enteric infection and enteropathy markers are associated with changes in adipokine, apolipoprotein and cytokine profiles later in childhood consistent with those of an adverse cardiometabolic disease risk profile in a Peruvian birth cohort.
External control arm analysis: an evaluation of propensity score approaches, G-computation, and doubly debiased machine learning.
Comparison of Care Utilization and Medical Institutional Death among Older Adults by Home Care Facility Type: A Retrospective Cohort Study in Fukuoka, Japan
Kinematic analysis of upper body movements in adolescent with mild idiopathic scoliosis: a preliminary study
COVID19 vaccine type and humoral immune response in patients receiving dialysis
Risk of cardiovascular disease after a diagnosis of common psychiatric disorders: a matched cohort study of disease susceptibility and progression trajectory in the UK Biobank
First genotype-phenotype study in TBX4 syndrome: gain-of-function mutations causative for lung disease
Comparative effectiveness of ChAdOx1 versus BNT162b2 vaccines against SARS-CoV-2 infections in England and Wales: A cohort analysis using trial emulation in the Virus Watch community data
Ethnic disparities in hospitalisation and hospital-outcomes during the second wave of COVID-19 infection in east London
Correlates of patient-reported cognitive performance with regard to disability
Serious underlying medical conditions and COVID-19 vaccine hesitancy.
Factors associated with COVID-19 vaccine acceptance and hesitancy among residents of Northern California jails
Impact of non-pharmaceutical interventions on SARS-CoV-2 outbreaks in English care homes: a modelling study
Impostor Phenomenon in the Nutrition and Dietetics Profession: An Online Cross-Sectional Survey
Magnetic resonance imaging of the gastrointestinal tract shows reduced small bowel motility and altered chyme in cystic fibrosis compared to controls
Equally low blood metal ion levels at 10-years follow up of total hip arthroplasties with Oxinium, CoCrMo and stainless steel femoral heads. Data from a randomized clinical trial
MIXTURE of human expertise and deep learning - Developing an explainable model for predicting pathological diagnosis and survival in patients with interstitial lung disease
Communicating about COVID-19 vaccine development and safety
Investigating the relationship between serum ACE 2 level and COVID-19 patients' prognosis: a cross-sectional study