Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: A 21L/BA.2-21K/BA.1 MixOmicron SARS-CoV-2 hybrid undetected by qPCR that screen for variant in routine diagnosis
Severity of SARS-CoV-2 Infection in Pregnancy in Ontario: A Matched Cohort Analysis
Antibody Tests: They Are More Important Than We Thought
CSF Aβ38 levels are associated with Alzheimer-related decline: implications for γ-secretase modulators
Spatio-temporal analysis and prediction of malaria cases using remote sensing meteorological data in Diebougou health district, Burkina Faso, 2016-2017
COVID-19 due to the B.1.617.2 (Delta) variant compared to B.1.1.7 (Alpha) variant of SARS-CoV-2: two prospective observational cohort studies
Project DELTA - integrateD diagnostic solution forEarLy deTection of oesophageal cAncer: a study protocol for data mining and risk prediction algorithm development
Digital health and quality of home-based primary care for older adults: A scoping review protocol
Self-Reported Mask Wearing Greatly Exceeds Directly Observed Use: Urgent Need for Policy Intervention in Kenya
Knowledge, attitude, and practice related to the COVID-19 pandemic among undergraduate medical students in Indonesia: a nationwide cross-sectional study
Trajectories of compliance with COVID-19 related guidelines: longitudinal analyses of 50,000 UK adults
The Impact of Mask-Wearing in Mitigating the Spread of COVID-19 During the Early Phases of the Pandemic
Prevalence of dysphagia in patients with multiple sclerosis; a systematic review and meta-analysis
Epidemic dynamics in inhomogeneous populations and the role of superspreaders
Doctors and Nurses Social Media Ads Reduced Holiday Travel and COVID-19 infections: A cluster randomized controlled trial in 13 States
Prospective case-control study of dengue infection in some malaria and non-malaria patients consulting at the Bertoua Regional Hospital, East-Cameroon
Cohort Profile: The Birhan Health and Demographic Surveillance System
Hypocalcemia and Acute Pulmonary Embolism Hospitalizations in the United States: Highlights from the propensity matched 2017 Nationwide Inpatient Sample
Triangulating evidence in health sciences with Annotated Semantic Queries
Blood metabolites predicting Mild Cognitive Impairment in the Study of Latinos-Investigation of Neurocognitive Aging (HCHS/SOL)
Factors Influencing AVF Dysfunction in Patients with Maintenance Hemodialysis: A retrospective study
Frontal lobe fALFF measured from resting-state fMRI at baseline predicts acute treatment response in first episode psychosis
ReviewR: A light-weight and extensible tool for manual review of clinical records
Assessing the level and determinants of COVID-19 Vaccine Confidence in Kenya
COVID-19 Vaccine hesitancy in Addis Ababa, Ethiopia: A mixed-methods study
A disproportionate epidemic: COVID-19 cases and deaths among essential workers in Toronto, Canada