Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Infants have lower RT-PCR cycle threshold for SARS-CoV-2 in comparison with older children and adults
Longitudinal SARS-CoV-2 testing is punctuated by intermittent positivity and variable rates of cycle-threshold decline
Recent COVID-19 vaccination is associated with modest increases in the physiological demands to graded exercise
Preliminary Analysis of Excess Mortality in India During the Covid-19 Pandemic (Update September 26, 2021).
Impact of the Liberian National Community Health Assistant Program on Childhood Illness Treatment in Grand Bassa County, Liberia: A Difference-in-Differences Analysis of Population-Based Data
Prevalence of central obesity and its associated risk factors among adults in Southeast Ethiopia: a community-based cross-sectional study
Hypertension perspectives and health behaviors of African youth: The effect of health education and employment
Interrogating COVID-19 Vaccine Hesitancy in the Philippines with a Nationwide Open-Access Online Survey
Extending upon: What effect might border screening have on preventing importation of COVID-19 compared with other infections? - Considering the additional effect of post-arrival isolation
Validating and modeling the impact of high-frequency rapid antigen screening on COVID-19 spread and outcomes
A national mixed-mode seroprevalence random population-based cohort on SARS-CoV-2 epidemic in France: the socio-epidemiological EpiCov study
Attention Deficit and Hyperactivity Disorder and Enuresis co-occurrence in the pediatric population: a systematic review and meta-analysis
Two Separate, Large Cohorts Reveal Potential Modifiers of Age-Associated Variation in Visual Reaction Time Performance
ThinkCancer! The multi-method development of a complex behaviour change intervention to improve the early diagnosis of cancer in primary care
Monocytes are the main source of STING-mediated IFN-alpha production
Spatial Prevalence and Determinants of Malaria among under-five Children in Ghana
Victimization and witnessing of workplace bullying and physician-diagnosed physical and mental health and organizational outcomes: a cross-sectional study of a nationally representative sample in Japan
Perspectives on mental illness stigma among African immigrant pregnant and post-partum women in an urban setting: a brief report
Differentials and determinants of immunization coverage among children aged 12-36 months in India: Analysis of nationally-representative, population-based survey data
Protocol for a realist review of the influence of cultural factors on understanding the role of feedback in developing clinical competencies of health professional students in Asia.
Breast Cancer Survival Prediction using Machine Learning and Gene Expression Profiles
MRI versus mammography plus ultrasound in women at intermediate breast cancer risk: study design and protocol of the MRIB multicentre randomized controlled trial
Beliefs about Mask Efficacy and the Effect of Social Norms on Mask Wearing Intentions for COVID-19 Risk Reduction
Spectral imaging enables contrast agent-free real-time ischemia monitoring in laparoscopic surgery
Irremediable psychiatric suffering in the context of physician assisted death: a Delphi-study
Spatial-temporal relationship between population mobility and COVID-19 outbreaks in South Carolina: A time series forecasting analysis