Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Estimating area-level variation in SARS-CoV-2 infection fatality ratios
SARS-CoV-2 viral dynamics in acute infections
Doxycycline for the prevention of progression of COVID-19 to severe disease requiring intensive care unit (ICU) admission: a randomized, controlled, open-label, parallel group trial (DOXPREVENT.ICU)
Inflammasome-related markers at the ICU admission are not associated with outcome in the critically ill COVID-19 patients.
Why one size fits all is not enough when designing covid-19 immunity certificates for domestic use: a UK wide cross-sectional online survey
COVID-19 antibody seroprevalence in Duhok, Kurdistan Region, Iraq: A population-based study
Integrated chronic disease care delivery at a primary care level in sub-Saharan Africa: A systematic review, best fit framework synthesis, and new conceptual model
Multi-type branching and graph product theory of infectious disease outbreaks
SEPRES: Sepsis prediction via a clinical data integration system and real-world studies in the intensive care unit
Decoding mitochondrial genes in pediatric AML and development of a novel prognostic mitochondrial gene signature
CTKG: A Knowledge Graph for Clinical Trials
Impact on Mental Health of students due to restriction caused by COVID-19 pandemic: Cross-sectional study
Label-Free SARS-CoV-2 Detection on Flexible Substrates
Launching a saliva-based SARS-CoV-2 surveillance testing program on a university campus
Parent attitudes about childhood vaccines: a vaccine hesitancy point prevalence study.
Linkage of National Congenital Heart Disease Audit data to hospital, critical care and mortality national datasets to enable research focused on quality improvement
Sex differences in the association of mild behavioral impairment with cognitive aging
Current and emerging polymyxin resistance diagnostics: a systematic review of established and novel detection methods
Domiciliary high-flow nasal cannula oxygen therapy for stable hypercapnic COPD patients: a prospective, multicenter, open-label, randomized controlled trial
Association between discrimination stress and suicidality in preadolescent children
The Impact of COVID-19 Testing on College Campuses
Epidemiological and Clinical Characteristics, and Virologic Features of COVID-19 Patients in Kazakhstan: a Nation-Wide, Retrospective, Cohort Study.
Development of a women empowerment framework to promote voluntary medical male circumcision uptake for HIV prevention in Zimbabwe
Development and Initial Validation of the Duke Misophonia Questionnaire
Liability-scale heritability estimation for biobank studies of low prevalence disease
A Phase 2 Randomized, Double-Blind, Placebo-controlled Trial of Oral Camostat Mesylate for Early Treatment of COVID-19 Outpatients Showed Shorter Illness Course and Attenuation of Loss of Smell and Taste