Instruct: Identify the main category of Medrxiv papers based on their titles.
Query: COVID-19 vaccine effectiveness during a prison outbreak when the Omicron was the dominant circulating variant, Zambia, December 2021
Impact of Total Hip Replacements on the Incidence of Hip Fractures in Norway During 1999-2019. A NOREPOS Study
Sleep in Frontline Healthcare Workers on Social Media During the COVID-19 Pandemic
Estimating the death toll of the Covid-19 pandemic in India
Anatomy of SARS-CoV-2 outbreak of vaccinated: An observational case-control study of COVID-19 breakthrough infections, COVID-19 appropriate behavior and anti-spike-IgG response as a correlate of protection in Medical college students at Rural Medical College, India
Preliminary Report of Academic CAR-T (ISIKOK-19) Cell Clinical Trial in Turkey: Characterization of Product and Outcomes of Clinical Application
Long-term sequelae of Pneumococcal Sepsis in children: a systematic review
Prevalence of SARS CoV-2 infection among Health Care Workers of a hybrid tertiary COVID 19 hospital in Kerala
Tissue damage detected by quantitative gradient echo MRI correlates with clinical progression in non-relapsing progressive MS
In-person schooling and COVID-19 transmission in Canada's three largest cities
Children Living with Disabilities Are Absent From Severe Malnutrition Guidelines
Association of COVID-19 with risks of hospitalization and mortality from other disorders post-infection: A study of the UK Biobank
How immunity from and interaction with seasonal coronaviruses can shape SARS-CoV-2 epidemiology
Emergence of SARS-CoV-2 variants of concern in the pediatric population of the United States
Statins Are Associated with Improved 28-day Mortality in Patients Hospitalized with SARS-CoV-2 Infection
Identification of probiotic responders in cross-over trials using the Bayesian statistical model considering lags of effect period
T-cell and antibody immunity after COVID-19 mRNA vaccines in healthy and immunocompromised subjects-An exploratory study.
Sexual violence in older adults: a Belgian prevalence study
Effects of polygenic risk for suicide attempt and risky behavior on brain structure in young people with familial risk of bipolar disorder
Population-based analysis of radiation-induced gliomas after cranial radiotherapy for childhood cancers
AI-Driven Longitudinal Characterization of Neonatal Health and Morbidity
Understanding genetic risk factors for common side effects of antidepressant medications
Barriers to early initiation of breastfeeding in healthy neonates in an urban hospital setting.
A game theory based analysis of network connectivity reveals that state transition is crucial for epilepsy surgery outcome prediction
Does reactogenicity after a second injection of the BNT162b2 vaccine predict spike IgG antibody levels in healthy Japanese subjects?
Durability and Cross-Reactivity of Immune Responses Induced by an AS03 Adjuvanted Plant-Based Recombinant Virus-Like Particle Vaccine for COVID-19