Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Can 10x cheaper, lower-efficiency particulate air filters and box fans complement High-Efficiency Particulate Air (HEPA) purifiers to help control the COVID-19 pandemic?
Evaluation and clinical implications of the time to a positive results of antigen testing for SARS-CoV-2
CCL25 mediates inflammatory crosstalk between adipose and liver in non-alcoholic fatty liver disease
Respiratory and Cardiovascular Health Effects of E-Cigarette Substitution: Protocol for Two Living Systematic Reviews
Are probiotics and prebiotics safe for use during pregnancy and lactation? A systematic review and meta-analysis
Intraoperative Hydromorphone Decreases Post-Operative Pain. Who Would Have Thought? An Instrumental Variable Analysis
The Missing Science: Epidemiological data gaps for COVID-19 policy in the United States
Modeling the COVID-19 Vaccination Dynamics in the United States: An Estimation of Coverage Velocity and Carrying Capacity Based on Socio-demographic Vulnerability Indices in California
Initial emergency department vital signs may predict PICU admission in pediatric patients presenting with asthma exacerbation
Rare variant contribution to cholestatic liver disease in a South Asian population in the United Kingdom
Development of an ensemble machine learning prognostic model to predict 60-day risk of major adverse cardiac events in adults with chest pain
Vulnerabilities in child wellbeing among primary school children: a cross-sectional study in Bradford, UK
The GLasses Against transmission of SARS-CoV-2 in the communitY (GLASSY) trial: A pragmatic randomized trial (study protocol)
Parental criticism and adolescent internalising symptoms: Using a Children-of-Twins design with power calculations to account for genetic influence
Quantifying social contact patterns in Minnesota during Stay-at-Home social distancing order
Reassessing referred sensations following peripheral deafferentation and the role of cortical reorganisation
A Clinically Translatable Immune-based Classification of HPV-associated Head and Neck Cancer with Implications for Biomarker-Driven Treatment Deintensification and Immunotherapy
Bi-allelic loss-of-function variants in PPFIBP1 cause a neurodevelopmental disorder with microcephaly, epilepsy and periventricular calcifications
Sex steroid hormones and risk of breast cancer incidence and survival: A two-sample Mendelian randomization study
Updated Model for the USA Summer 2021 CoVID-19 Resurgence
The neurology and neuropsychiatry of COVID-19: a systematic review and meta-analysis of the early literature reveals frequent CNS manifestations and key emerging narratives
Sustained Minimal Residual Disease Negativity in Multiple Myeloma is Associated with Stool Butyrate and Healthier Plant-Based Diets
Central oxidative stress and early vocational outcomes in first episode psychosis: A 7-Tesla Magnetic Resonance Spectroscopy study of glutathione
SIGLEC1 enables straightforward assessment of type I interferon activity in idiopathic inflammatory myopathies
Quantified Flu: an individual-centered approach to gaining sickness-related insights from wearable data
An in-depth statistical analysis of the COVID-19 pandemic's initial spread in the WHO African region