Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Rapid spread of a SARS-CoV-2 Delta variant with a frameshift deletion in ORF7a
The Contribution of Pharmacogenetic Drug Interactions to 90-Day Hospital Readmissions: Preliminary Results from a Real-World Healthcare System
Serological responses and six-month trajectories to COVID-19 Comirnaty and Spikevax booster vaccine, September 2021 to January 2022, London, United Kingdom
The HIV and STI syndemic following mass scale-up of combination HIV interventions in Uganda: a population-based cross-sectional study
Breakthrough COVID-19 infection rate with Indian strain in Single-center Healthcare Workers: A real world data.
Emergence of SARS-CoV-2 Alpha (B.1.1.7) variant, infection rates, antibody seroconversion and seroprevalence rates in secondary school students and staff: active prospective surveillance, December 2020 to March 2021, England
Integrating Operant and Cognitive Behavioral Economics to Inform Infectious Disease Response: Prevention, Testing, and Vaccination in the COVID-19 Pandemic
Weeding Through the Haze: A Survey on Cannabis Use Among People Living with Parkinson's Disease in the US
Mathematical modeling of COVID-19 in British Columbia:an age-structured model with time-dependent contact rates
Characterization of the significant decline in humoral immune response six months post-SARS-CoV-2 mRNA vaccination: A systematic review
A comprehensive accuracy assessment of Samsung smartwatch heart rate and heart rate variability
Impaired performance of SARS-CoV-2 antigen-detecting rapid tests at elevated temperatures
Trends in the conduct and reporting of clinical prediction model development and validation: a systematic review
RNA-extraction-free diagnostic method to detect SARS-CoV-2: an assessment from two States, India
School teachers' self-reported fear and risk perception during the COVID-19 pandemic - a nationwide survey in Germany
A Systematic Review and Meta-Analysis on Mental Illness Symptoms in Spain in the COVID-19 Crisis
Expert Surgeons and Deep Learning Models Can Predict the Outcome of Surgical Hemorrhage from One Minute of Video
Is migraine associated to brain anatomical alterations? New data and coordinate-based meta-analysis.
Effects of Acute Normovolemic Hemodilution on Post-Cardiopulmonary Bypass Coagulation Tests and Allogeneic Blood Transfusion in Thoracic Aortic Repair Surgery: An Observational Cohort Study
Assessing the Use of Prescription Drugs in Obese Respondents in the National Health and Nutrition Examination Survey
Patterns of Multimorbidity
Cervical and systemic innate immunity predictors of HIV risk linked to genital herpes acquisition and time from HSV-2 seroconversion
Reduced Intrinsic Neural Timescales in Schizophrenia along Posterior Parietal and Occipital Areas
Acute phase clinical manifestation of COVID-19 is linked to long-COVID symptoms; A 9-month follow-up study
Trajectories of Clinical and Laboratory Characteristics Associated with COVID-19 in Hemodialysis Patients by Survival
Real-Time Electronic Health Record Mortality Prediction During the COVID-19 Pandemic: A Prospective Cohort Study