Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Use of machine learning for comparing disease risk scores and propensity scores under complex confounding and large sample size scenarios: a simulation study
Transmission event of SARS-CoV-2 Delta variant reveals multiple vaccine breakthrough infections
Postural control telerehabilitation with a low-cost virtual reality protocol for children with cerebral palsy: Protocol for a clinical trial.
Protocol for a prospective, hospital-based registry of pregnant women with SARS-CoV-2 infection in India: PregCovid Registry study
SARS-CoV-2 Omicron variant, lineage BA.1, is associated with lower viral load in nasopharyngeal samples compared to Delta variant.
Perilipin-1 autoantibodies linked to idiopathic lipodystrophy in the setting of two distinct breaks in immune tolerance
How to decide which COVID-19 patient with myocardial infarction to send to the Cath Lab? - A case series of COVID-19 patients with myocardial infarction
B.1.1.7 became the dominant variant in Lebanon.
Birth history is associated with whole-blood and T-cell methylation patterns in relapse onset multiple sclerosis
The energy balance theory: an unsatisfactory model of body composition fluctuations
Emergence of SARS-CoV-2 Resistance with Monoclonal Antibody Therapy
A Queuing Model for Ventilator Capacity Management during the COVID-19 Pandemic
Can 10x cheaper, rapid air filtration control the pandemic?
Association of VEGF and KDR polymorphisms with the development of schizophrenia
COVID-19 Associated Pulmonary Aspergillosis: Systematic Review and Patient-Level Meta-Analysis
Neutralizing antibody responses to SARS-CoV-2: a population based seroepidemiological analysis in Delhi, India
Community-Based Accompaniment for Adolescents Transitioning to Adult HIV Care in Urban Peru: a Pilot Study
Increasing test specificity without impairing sensitivity - lessons learned from SARS-CoV-2 serology
PRINCIPLE trial demonstrates scope for in-pandemic improvement in primary care antibiotic stewardship
Research Letter: Reactive balance responses after mild traumatic brain injury (mTBI): a scoping review
Psychosocial factors affecting COVID-19 vaccine uptake in the UK: a prospective cohort study (CoVAccS - wave 3)
Non-uniform UV-C dose across N95 facepieces can cause 2.9-log variation in SARS-CoV-2 inactivation
Lower regional gray matter volume in the absence of higher cortical amyloid burden in late-life depression
Prophylactic Magnesium Supplementation and New-Onset Atrial Fibrillation in a General Critical Care Population: A Prescribing Preference Instrumental Variable Analysis
Phylogenomics and population genomics of SARS-CoV-2 in Mexico reveals variants of interest (VOI) and a mutation in the Nucleocapsid protein associated with symptomatic versus asymptomatic carriers
The Influence of Coronavirus Disease-2019 (COVID-19) On Parkinsons Disease: An Updated Systematic Review