Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: SARS-CoV-2 seroprevalence in Chattogram, Bangladesh before the Delta surge, March-June 2021
Optimizing the spatio-temporal allocation of COVID-19 vaccines: Italy as a case study
Error Rates in SARS-CoV-2 Testing Examined with Bayesian Inference
Fast raster-scan optoacoustic mesoscopy enables assessment of human melanoma microvasculature in vivo
Impact of baseline SARS-CoV-2 antibody status on syndromic surveillance and the risk of subsequent Covid-19 -- a prospective multicentre cohort study
Validation of breath biomarkers for obstructive sleep apnea
COVID-19 vaccine acceptance and its socio-demographic and emotional determinants: a multi-country cross-sectional study
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)
A Second Wave? What Do People Mean By COVID Waves? - A Working Definition of Epidemic Waves
The impact of armed conflict on the prevalence and transmission dynamics of HIV Infection in Libya.
Hair loss in females and thromboembolism in males are significantly enriched in post-acute sequelae of COVID (PASC) relative to recent medical history
Prophylactic Magnesium Supplementation and New-Onset Atrial Fibrillation in a General Critical Care Population: A Prescribing Preference Instrumental Variable Analysis
Testicular microvascular flow is altered in Klinefelter syndrome and predicts circulating testosterone.
Spatial prediction of COVID-19 pandemic dynamics in the United States
Antimicrobial stewardship among Nigerian children: A pilot study of the knowledge, attitude, and practice of prescribers at two tertiary healthcare facilities in Bayelsa State.
Real-time Alerting System for COVID-19 Using Wearable Data
Comparing Patient Reported Outcomes to Objective Measures of Function in patients with Chronic Pain: Using the SF-12, 2 minute walk test and Elevation and Movement Lift test
Walking Activities during the Acute Stroke Hospital Stay May Benefit Cerebrovascular Health
Reduction in COPD exacerbations during COVID-19: a systematic review and meta-analysis
Evaluation of the specificity and accuracy of SARS-CoV-2 rapid antigen self-tests compared to RT-PCR from 1015 asymptomatic volunteers
Interferon pathway lupus risk alleles modulate risk of death from acute COVID-19
Validation of a Novel Molecular Assay to the Diagnostic of COVID-19 Based on Real Time PCR with High Resolution Melting
Functional connectivity directionality between large-scale resting-state networks in children and adolescence from the Healthy Brain Network sample
Estimation of real-infection and immunity against SARS-CoV-2 in Indian populations
Occupational and environmental exposure to SARS-CoV-2 in and around infected mink farms
AIBx, Artificial Intelligence Model to Risk Stratify Thyroid Nodules