Test negative studies have been used extensively for the estimation of COVID-19 vaccine effectiveness (VE). Such studies are able to estimate VE against medically-attended illness under certain ...

We aimed to compare the accuracy performance of the new 2018 periodontitis case definition by the European Federation of Periodontology (EFP)/ American Association of Periodontology (AAP) with Centers ...

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, ...

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, ...