A common nasal spray may lower the risk of getting Covid-19, a new study shows. Dr. Leana Wen discusses what this all means as coronavirus cases rise.

An over-the-counter nasal spray antihistamine reduced rates of COVID-19 infections and common colds in a midstage trial, ...

Early research suggests that azelastine, a common over-the-counter nasal spray that treats seasonal allergies, may offer a way to reduce your chances of getting COVID-19. The key may be that the spray ...

“You want to exercise regularly. We know for a fact that exercise also boosts immune function, and you want to make sure that ...

Research shows that getting a COVID vaccine can protect you against long COVID, an oft-debilitating condition that’s ...

Last year, everyone 6 months and older could get the COVID shot and have it covered by insurance. This year, the FDA has limited access to people 65 and older and younger people with an underlying ...

There’s new confusion over COVID-19 vaccines after federal health officials changed the qualifications again. Updated shots ...

Here’s what to know about the latest COVID strain — and how to tell if your at-home test is still good to use.

Researchers examine whether the blood of a recovered patient can help others. Experts are hoping a century-old technique used for treating epidemics may hold new promise for treating COVID-19 patients ...

The Maine CDC has issued a standing order, at the direction of Gov. Janet Mills, that would help expand access to COVID-19 ...

Unlike past years, the new COVID vaccines are no longer available to everyone 6 months and older, according to the Pfizer ...