Recent research provides more support for the existence of long-term COVID and delves into potential causes and effects of ...

Colds are typically a mild illness, while the flu can become severe and, in some cases, deadly. Symptoms of COVID-19 include fever, cough, fatigue, headache, nausea, sore throat, runny nose and loss ...

Moscow said there is "no evidence of a new or unidentified virus" as viral rumors spread on Russian social media.

Several studies have reported that the coronavirus disease 2019 (COVID-19) can lead to heart rate variability (HRV), with the ...

An unidentified virus has been reported in regions across Russia, with patients exhibiting persistent high fever and severe ...

Between April 2020 and December 2022, over 535,000 people in Germany downloaded and activated the Corona Data Donation App ...

Three months after COVID-19 infection, 40% of adults and 16% of children living on the Navajo Nation or White Mountain Apache ...

Robert Joseph Baker, 38, whose attorney previously claimed his COVID-19 symptoms contributed to killing a stranger at a ...

Annie Antar, MD, PhD, discusses how patients with HIV can have different and longer-lasting symptoms of COVID-19.

People from disadvantaged backgrounds are more likely to experience COVID-19 symptoms for longer, new research suggests.

Months or even years after recovering from COVID-19, millions of people find themselves still struggling with exhaustion.