Please provide your email address to receive an email when new articles are posted on . Using Delphi methodology — “a structured communication technique originally developed as a systematic, ...

Infectious diseases experts are losing confidence in the accuracy of China’s count of cases of the novel coronavirus, pointing toward health officials’ shifting definition of cases over time.

A National Academies of Sciences, Engineering, and Medicine committee is in the process of examining the working definition of Long COVID. Case definitions are sets of rules that allow patients, ...