Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Trends in Racial and Ethnic Disparities in Multimorbidity Prevalence, 1999-2018
The Age-Related Probability of Dying from COVID-19 among Those Infected: A Relative Survival Analysis
Comparison of COVID-19 vaccine prioritization strategies in the United States
Factors linked to changes in mental health outcomes among Brazilians in quarantine due to COVID-19
SARS-CoV-2 Variant Surveillance Using Tandem Targeted RT-PCR-based Genotyping Assays and Whole Genome Sequencing
Reduced neutralizing activity of post-SARS-CoV-2 vaccination serum against variants B.1.617.2, B.1.351, B.1.1.7+E484K and a sub-variant of C.37
Predictability and Stability Testing to Assess Clinical Decision Instrument Performance for Children After Blunt Torso Trauma
Social inequalities in COVID-19 vaccine acceptance and uptake for children and adolescents in Montreal, Canada: a cross-sectional study
Human leishmaniasis vaccines: use cases, target population and potential global demand
RT-RC-PCR: a novel and highly scalable next-generation sequencing method for simultaneous detection of SARS-COV-2 and typing variants of concern
Multicenter cohort study of multisystem inflammatory syndrome in children (MIS-C)
Measuring College Student Attitudes Toward COVID-19 Vaccinations
Economic vulnerability and poor service delivery made it more difficult for shack-dwellers to comply with COVID-19 restrictions: The impracticability and inequitable burden of universal/unstratified public health policies.
Emergence and Evolution of Big Data Analytics in HIV Research: Bibliometric Analysis of Federally Sponsored Studies 2000-2019
Deep Optical Blood Analysis: COVID-19 Detection as a Case Study in Next Generation Blood Screening
Emergence of two distinct SARS-CoV-2 Gamma variants and the rapid spread of P.1-like-II SARS-CoV-2 during the second wave of COVID-19 in Santa Catarina, Southern Brazil
Estimating the global demand curve for a leishmaniasis vaccine: a generalisable approach based on global burden of disease estimates
A cross-disorder dosage sensitivity map of the human genome
The Value of Self-Reported Cognitive Performance in low, medium and high EDSS
Immunogenicity and safety of inactivated whole virion Coronavirus vaccine with CpG (VLA2001) in healthy adults aged 18 to 55: a randomised phase 1 /2 clinical trial
SARS-CoV-2 circulation in the school setting: A systematic review and meta-analysis
Use of HIV Recency Assays for HIV Incidence Estimation and Non-Incidence Surveillance Use Cases: A systematic review
Deep Learning-Aided Diagnosis of Autoimmune Blistering Diseases
Model-based Bayesian inference of the ventilation distribution in patients with Cystic Fibrosis from multiple breath washout, with comparison to ventilation MRI
Long Term Physical, Mental and Social Health Effects of COVID-19 in the Pediatric Population: A Scoping Review
Single-cell analysis of the epigenomic and transcriptional landscape of innate immunity to seasonal and adjuvanted pandemic influenza vaccination in humans