Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Electronic data management for vaccine trials in low resource settings: Upgrades, scalability and impact of ODK
Predictive Analysis of COVID-19 Spread in Sri Lanka using an Adaptive Compartmental Model: Susceptible-Exposed-Infected-Recovered-Dead (SEIRD) Model
The Silent Pandemic COVID -19 in the Asymptomatic Population
ABC2-SPH risk score for in-hospital mortality in COVID-19 patients: development, external validation and comparison with other available scores
Understanding the pathways leading to socioeconomic inequalities in HIV testing uptake in 18 sub-Saharan African countries: a mediation analysis
Iron status and risk of sepsis: a Mendelian randomisation analysis.
Population-based seroprevalence of SARS-CoV-2 antibodies in a high-altitude setting in Peru
Brain Tumor Detection Using Deep Learning
Clinical Pharmacy Services Provided in Public Sector Hospitals in Nigeria: A National Survey
Factors influencing plasma galectin-3 concentrations in catheter-bearing hospitalized patients
Sensitivity of Estimated Tacrolimus Population Pharmacokinetic Profile to Inaccurate Assumptions about Dose Timing and Absorption: An Investigation in Real-World and Simulated Data
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
Machine learning identified distinct serum lipidomic signatures in hospitalized COVID-19-positive and COVID-19-negative patients
Virus neutralizing antibody responses after two doses of BBIBP-CorV (Sinopharm, Beijing CNBG) vaccine
Easy-BILAG: a new tool for simplified recording of SLE disease activity using BILAG-2004 index.
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
Improved performance of saliva for the detection of the B.1.351 variant in South Africa
Examining spousal and family support as predictors of long-term weight loss and remission of type 2 diabetes following bariatric surgery
Performance of Heart Failure Clinical Prediction Models: A Systematic External Validation Study
The BioNTech / Pfizer vaccine BNT162b2 induces class-switched SARS-CoV-2-specific plasma cells and potential memory B cells as well as IgG and IgA serum and IgG saliva antibodies upon the first immunization
COVID-19 and its clinical severity are associated with alterations of plasma sphingolipids and enzyme activities of sphingomyelinase and ceramidase
Protection by vaccines and previous infection against the Omicron variant of SARS-CoV-2
A model based on a high-resolution flux matrix explains the spread of diseases in a spatial network and the effect of mitigation strategies
Reconstructing long-term dengue virus immunity in French Polynesia
Factors associated with the decay of anti-SARS-CoV-2 neutralizing antibodies among recipients of an adenoviral vector-based AZD1222 and a whole-virion inactivated (BBV152) vaccine in Chennai, India: a cross-sectional cohort study
Causal influence of dietary habits on the risk of major depressive disorder: A diet-wide Mendelian randomization analysis