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 …

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 …

Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) infection is associated with
a range of persistent symptoms impacting everyday functioning, known as post-COVID-19 …

A subset of patients has long-lasting symptoms after mild to moderate Coronavirus disease
2019 (COVID-19). In a prospective observational cohort study, we analyze clinical and …

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; …

Background Long-COVID refers to a variety of symptoms affecting different organs reported
by people following Coronavirus Disease 2019 (COVID-19) infection. To date, there have …

Background In the phase 1–2 portion of an adaptive trial, REGEN-COV, a combination of the
monoclonal antibodies casirivimab and imdevimab, reduced the viral load and number of …

Background Patients with underlying medical conditions are at increased risk for severe
coronavirus disease 2019 (Covid-19). Whereas vaccine-derived immunity develops over …

The acute clinical manifestations of COVID-19 have been well characterized,, but the post-
acute sequelae of this disease have not been comprehensively described. Here we use the …

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 …