After that, "most people recommend wearing a mask or having some sort of protective isolation for about five to seven days," ...

If you test positive for COVID-19, learn that a loved one has been infected or find out you’ve been exposed to someone with the virus, you undoubtedly have lots of questions. The one that probably ...

Individuals infected with the coronavirus are most contagious once they’ve started displaying symptoms of the illness, but science still isn’t sure whether it can be spread while it’s incubating — and ...

With each new COVID-19 variant, the interval between exposure and symptom development appeared to shorten, according to a study published Aug. 22 in JAMA Network Open. COVID-19 is known to have a ...