The world continues to contend with successive waves of coronavirus disease 2019 (COVID-
19), fueled by the emergence of viral variants. At the same time, persistent, prolonged and …

Importance COVID-19 is associated with clinically significant symptoms despite resolution of
the acute infection (ie, post-COVID-19 syndrome). Fatigue and cognitive impairment are …

Long COVID remains a broadly defined syndrome, with estimates of prevalence and
duration varying widely. We use data from rounds 3–5 of the REACT-2 study (n= 508,707; …

Importance Short-term and long-term persistent postacute sequelae of COVID-19 (PASC)
have not been systematically evaluated. The incidence and evolution of PASC are …

Background The full range of long-term health consequences of COVID-19 in patients who
are discharged from hospital is largely unclear. The aim of our study was to …

Since its emergence in Wuhan, China, covid-19 has spread and had a profound effect on
the lives and health of people around the globe. As of 4 July 2021, more than 183 million …

Globally, there are now over 160 million confirmed cases of COVID-19 and more than 3
million deaths. While the majority of infected individuals recover, a significant proportion …

Post-acute sequelae of COVID-19 (PASC) is emerging as global problem with unknown
molecular drivers. Using a digital epidemiology approach, we recruited 8,077 individuals to …

Importance Infection with COVID-19 has been associated with long-term symptoms, but the
frequency, variety, and severity of these complications are not well understood. Many …

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the pathogen
responsible for the coronavirus disease 2019 (COVID-19) pandemic, which has resulted in …