The timing of symptom onset depends on lots of factors, including the amount of virus to which someone was exposed, Hotez says. Their level of pre-existing immunity may also affect the likelihood or ...

A large new study may help form some answers to those questions. In line with prior estimates, it finds that almost a quarter ...

COVID test. A stock image of a positive COVID-19 antigen test kit. COVID-19 cases continue to persist as South Carolinians settle into their fall routines of work, school and other day-to-day ...

Add Yahoo as a preferred source to see more of our stories on Google. It's been a little more than five years since the COVID-19 pandemic ripped through the country, and now a new variant of the ...

Experts are still encouraging people to take the drug if prescribed. When Laura Martin tested positive for COVID-19 last month during an extended stay in California, she was prescribed Paxlovid, the ...

Know the symptoms of COVID-19 in children, what to do if your child appears sick and how to keep your family healthy.

In high-risk patients with COVID-19, nirmatrelvir/ritonavir treatment shortened the median duration to return to usual health and activities and significantly accelerated the resolution of COVID-19 ...

It's been a little more than five years since the COVID-19 pandemic ripped through the country, and now a new variant of the disease is slowly beginning to rise in cases. Variant XFG, often referred ...