Prevalence of SARS-CoV-2 infections and socio-occupational profile of delivery riders during the COVID-19 pandemic.

Introduction: We assessed the prevalence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and associated socio-occupational factors among delivery riders from a Brazilian city at two time points during the pandemic.

Methodology: Surveys for antibody and viral RNA testing were conducted from November 2020 to January 2021, and from March to May 2021 in a group of 117 delivery riders. A questionnaire on socio-occupational characteristics and coronavirus disease 2019 (COVID-19) preventive measures was completed.

Department of Defense Military Treatment Facility and Community Care Costs After Traumatic Brain Injury in Service Members and Veterans Treated in Veterans Affairs Polytrauma Rehabilitation Centers: A VA TBI Model Systems Study.

Objective: To estimate cost models of military traumatic brain injury (TBI) that can provide evidence for future cost-effectiveness analyses highlighted as a gap in the recent National Academies of Sciences, Engineering, and Medicine (NASEM) report on accelerating progress in TBI.

Setting: Military Treatment Facilities (MTFs) and community care facilities within the Military Health System (MHS).

Participants: 1,101 service members/veterans (SMV) diagnosed with a TBI and treated at a Veterans Administration (VA) Polytrauma Rehabilitation Center (PRC).

Double-faced diffusive gradient in thin films sampler (df-DGT): Proposing an improved DGT sampler design for water deployments.

Background: The Diffusive Gradients in Thin Films (DGT) technique has become the most widely used passive sampling method for inorganic compounds. This widespread adoption can be partly attributed to the development of new binding phases that facilitate the sampling of numerous analytes. In contrast, to date, the DGT sampler for inorganic compounds has not seen any significant design improvements.

International Nephrology Masterclass in Chronic Kidney Disease: Rationale, Summary, and Future Perspectives.

Chronic kidney disease (CKD) is a progressive condition that affects more than 10% of the population worldwide, accounting for more than 843 million (M) individuals. The prevalence of CKD (844 M patients) is higher than that of diabetes mellitus (422 M patients), cancer (42 M patients), and HIV (37 M patients), but people are often less aware of it. Global expert groups predict reductions in the nephrology workforce in the next decade, with a declining interest in nephrology careers.