PRO/AH/EDR> COVID-19 update (199): delta & alpha, severe disease children, Africa, Asia, WHO

COVID-19 — Worldwide/Unknown
In the first study, published today in JAMA Network Open, researchers from the US Centers for Disease Control and Prevention used the Premier Healthcare Database Special COVID-19 Release, which houses data from 872 hospitals, to study 43 465 patients 18 and younger who visited an emergency department or were hospitalized for severe COVID-19 from March 2020 to January 2021. [Kompaniyets L, Agathis NT, Nelson JM, et al. Underlying Medical Conditions Associated With Severe COVID-19 Illness Among