The vast majority of people in a study with long COVID had experienced multiple SARS-CoV-2 infections over the course of a ...

A new study found that people who have had COVID-19 are more likely to develop chronic fatigue syndrome. A researcher and ...

In the throes of winter's yearly round of respiratory virus outbreaks, it pays to remember what Grandma told you.

Influenza is what gives the flu season its name, and it’s the dominant source of trouble right now, as we explore in the ...

Nearly one in 20 people who had a SARS-CoV-2 infection go on to experience myalgic encephalomyelitis/chronic fatigue syndrome ...

Risk of long COVID is higher in women and a link between SARS-CoV-2 infection and development of ME/CFS is shown, according ...

For SARS-CoV-2, these selective advantages include increased transmissibility, enhanced evasion of the immune system, and increased disease severity. The original form of the virus quickly was ...

Researchers report the ability of tofacitinib to reduce infection risk with SARS-CoV-2 in individuals who are deficient in ...