Add Yahoo as a preferred source to see more of our stories on Google. The FDA has extended the shelf life for some COVID-19 tests. Now that allergy season is here, many are finding themselves with ...

One home swab now tells a household which of four winter respiratory viruses is present. But it can miss real infections that a lab PCR would catch ...

The U.S. government is mailing out another round of free COVID tests to households that sign up. Older COVID tests still may be in your cupboard and OK to use, but you must verify the test’s ...

While many respiratory viruses—including COVID-19, RSV and influenza—circulate year-round in California, they are typically more active between October and March, according to the California ...

Authorities are tracking complaints from New Yorkers who received unsolicited COVID-19 test kits in the mail as historically costly pandemic-era fraud continues to threaten taxpayers and consumers.

Long Covid has long eluded scientists looking for its cause. Not knowing what triggers its persistent and distressing symptoms makes the condition challenging to treat; it’s hard to even say ...

Data shows that Covid-positive test rates in the UK rose to around 7% in September ...

You do not want to play games here. As always, vaccination is one of the best forms of protection against COVID-19, and ...

Repeated infections are “a fact of life” at this point, experts say. But they warn there is no such thing as a risk-free case ...