Users of other tests, like Ellume's COVID-19 Home Test, should refer to the expiration date printed on the tests' packaging. If a test truly has expired, the results it delivers cannot be trusted ...

Covid-19 certainly didn’t take a vacation this summer. Virus levels in the US have been on the rise for weeks, but it’s hard to know exactly how widely it’s spreading.

The U.S. approved a new COVID-19 vaccine made by Moderna late Friday but with limits on who can use it — not a replacement for the company's existing shot, but a second option.

COVID-19 cases are dropping throughout the country after a summer wave peaked in early August. The percentage of positive COVID-19 tests dropped from 17.8% the week of Aug. 10 to 14.9% the week of ...

A total of 463,267 COVID-19 deaths were recorded in 2021, which was the deadliest year for the virus in the U.S. Confirmed deaths have been falling since, plunging from 246,272 in 2022 to 76,042 ...

Covid-19 cases were confirmed by PCR tests, which were helpful in determining a person’s viral load. Then, investigators looked to see how well the rapid tests performed in detecting those cases.

COVID-19 vaccine recommendations could be changing, according to the U.S. Food and Drug Administration. FDA leaders said on May 20 that clinical trials will be required to approve annual COVID-19 ...

There’s another new COVID-19 variant on the loose and spreading. It’s been formally named XFG and informally dubbed “stratus.” It’s already been reported in 38 countries including the U ...

G etting COVID-19 today is much less scary and more common than it was three years ago. By now, many people have had it not just once, but two, three, or even more times. Most of the time, repeat ...

COVID-19 can lead to lingering cognitive effects including memory loss, forcing some survivors—like one pictured in her home in Virginia on Feb. 3, 2022—to rely on notes and other reminders.