Editor's Note This multi-center study, which is part of the National Institutes of Health’s Researching COVID to Enhance Recovery (RECOVER) initiative and led by the Massachusetts General Hospital, Boston, was conducted to develop a definition of long COVID using self-reported symptoms of 9,764 participants (8,646 infected; 1,118 uninfected) at 85…
Editor's Note The World Health Organization (WHO) and its partners, on May 20, launched the International Pathogen Surveillance Network (IPSN) to prevent and detect infectious disease threats before they become epidemics or pandemics. The network provides a platform for helping countries and regions improve systems for collecting and analyzing samples,…