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 …

Background This study aims to examine the worldwide prevalence of post-coronavirus
disease 2019 (COVID-19) condition, through a systematic review and meta-analysis …

Importance SARS-CoV-2 infection is associated with persistent, relapsing, or new symptoms
or other health effects occurring after acute infection, termedpostacute sequelae of SARS …

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 …

The pandemic of COVID-19 is the biggest public health crisis in 21 st Century. Besides the
acute symptoms after infection, patients and society are also being challenged by the long …

The frequency of, and risk factors for, long COVID are unclear among community-based
individuals with a history of COVID-19. To elucidate the burden and possible causes of long …

The novel virus severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has caused
a pandemic of coronavirus disease 2019 (COVID-19). Across the globe, a subset of patients …

Following recovery from COVID-19, an increasing proportion of individuals have reported
the persistence and/or new onset of symptoms which collectively have been identified as …

Background Long Covid is a public health concern that needs defining, quantifying, and
describing. We aimed to explore the initial and ongoing symptoms of Long Covid following …