Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Ontogeny of plasma lipid metabolism in pregnancy and early childhood: a longitudinal population study
Cesarean section prevalence at a baby-friendly hospital in southern Brazil: current context in the face of COVID-19
Dental biofilm microbiota dysbiosis is associated with the risk of acute graft-versus-host disease after allogeneic hematopoietic stem cell transplantation
Emergence in late 2020 of multiple lineages of SARS-CoV-2 Spike protein variants affecting amino acid position 677
The Effect of Incarceration on Tuberculosis Treatment Outcomes in Brazil: a Retrospective Cohort Study
Pandemic excess mortality in Spain, Sweden, and Switzerland during the COVID-19 pandemic in 2020 was at its highest since 1918
A differential regulatory T cell signature distinguishes the immune landscape of COVID-19 hospitalized patients from those hospitalized with other respiratory viral infections
Safety and immunopotency of an adenovirus-vectored tuberculosis vaccine delivered via inhaled aerosol to healthy humans: a dose and route comparison phase 1b study
A systematic review and meta-analysis of Long COVID symptoms
Modifiable lifestyle activities affect cognition in cognitively healthy middle-aged individuals at risk for late-life Alzheimer's Disease.
Ten months of temporal variation in the clinical journey of hospitalised patients with COVID-19: an observational cohort
Time to Recovery from Diabetic Ketoacidosis and its Predictors among Adult Diabetic Ketoacidosis Patients in DEBRE MARKOS Referral Hospital, North West Ethiopia, 2021: Retrospective Cohort Study
Mortality among healthcare workers in Indonesia during 18 months of COVID-19
The predictive significance of prognostic nutritional index and serum albumin/globulin ratio on the overall survival of penile cancer patients undergoing penectomy
Quantifying the relationship between SARS-CoV-2 wastewater concentrations and building-level COVID-19 prevalence at an isolation residence using a passive sampling approach
Clinical utility of home versus hospital spirometry in fibrotic ILD: evaluation following INJUSTIS interim analysis
Cumulative COVID-19 incidence, mortality, and prognosis in cancer survivors: a population-based study in Reggio Emilia, Northern Italy.
Ovarian follicular function is not altered by SARS-Cov-2 infection or BNT162b2 mRNA Covid-19 vaccination.
The accuracy of machine learning models using ultrasound images in prostate cancer diagnosis: A systematic review
The association between WASH, nutrition, and early childhood growth faltering in rural Cambodia: a cross-sectional risk factor analysis
Dynamic changes in human single cell transcriptional signatures during fatal sepsis
Effect of Increased Alcohol Consumption During COVID-19 Pandemic on Alcohol-related Liver Disease: A Modelling Study
Ultrastructural characterisation of young and aged dental enamel by atomic force microscopy
Predicting Managers' Mental Health Across Countries Using Country-Level COVID-19 Statistics
Persistent symptoms following SARS-CoV-2 infection in a random community sample of 508,707 people
Motivators and barriers to research participation for individuals with cerebral palsy and their families