Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: Importation Risk Stratification for COVID19 using Quantitative Serology
A cross-sectional cohort study of prevalence of antibodies to COVID-19 in Port-au-Prince, Haiti
ACoRE: Accurate SARS-CoV-2 genome reconstruction for the characterization of intra-host and inter-host viral diversity in clinical samples and for the evaluation of re-infections
Robust image-based risk predictions from the deep learning of lung tumors in motion
Modeling COVID-19 disease processes by remote elicitation of causal Bayesian networks from medical experts
Remdesivir to treat COVID-19: can dosing be optimized?
Face Masks, Public Policies and Slowing the Spread of COVID-19: Evidence from Canada
Antigen receptor stimulation drives selection against pathogenic mtDNA variants that dysregulate lymphocyte responses
Attenuation of antibody titres during 3-6 months after the second dose of the BNT162b2 vaccine depends on sex, with age and smoking as risk factors for lower antibody titres at 6 months
On the predictability of postoperative complications for cancer patients: a Portuguese cohort study
Confirmation of an Inverse Relationship between Bioaerosol Count and Influenza-like Illnesses, Including COVID-19. On the Contribution of Mold Spores
Anemia prior to or during COVID-19 is a risk factor for rehospitalization after SARS-CoV-2 clearance
Longitudinal associations of behavioral problems and text reading skills in school-aged children born term and preterm
Mathematical modelling of COVID-19 transmission dynamics with vaccination: A case study in Ethiopia
Investigating the source of increased bipolar and major depressive disorder polygenic risk in multiplex schizophrenia families
The integrity of the antimicrobial supply chain in Bangladesh: assessing the regulatory environment and contextual challenges
Increasing SARS-CoV-2 antibody prevalence in England at the start of the second wave: REACT-2 Round 4 cross-sectional study in 160,000 adults
Single Prime hAd5 Spike (S) + Nucleocapsid (N) Dual Antigen Vaccination of Healthy Volunteers Induces a Ten-Fold Increase in Mean S- and N- T-Cell Responses Equivalent to T-Cell Responses from Patients Previously Infected with SARS-CoV-2
Updating mortality risk estimation in intensive care units from high-dimensional electronic health records with incomplete data
Psychological factors associated with instrumental activities of daily living disability in older adults with knee osteoarthritis
Molecular and spatial epidemiology of HCV among people who inject drugs in Boston, Massachusetts
Loss of Factor H family proteins associates with meningococcal disease severity
Ultrasensitive RNA biosensors for SARS-CoV-2 detection in a simple color and luminescence assay
Effects of a multimedia campaign on HIV self-testing and PrEP outcomes among young people in South Africa: A mixed-methods impact evaluation of MTV Shuga Down South
Projecting the impact of nutrition policy to improve child stunting: A case study in Guatemala using the Lives Saved Tool
Genomic surveillance of SARS-CoV-2 in a university community: insights into tracking variants, transmission, and spread of Gamma (P.1) variant