Coronavirus

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5 things we know and still don’t know about COVID, 5 years after it appeared
Scientists still aren't clear where it came from, and they are still trying to understand...

A young TikToker learning to live with long COVID educates about chronic illness
Lilly Downs, now 20 and out of the hospital, is living independently and planning to...

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Trump chooses controversial Stanford professor Dr. Jay Bhattacharya to lead NIH
A leading critic of the federal response to the COVID pandemic, Bhattacharya promises reforms.

Don’t throw out expired COVID-19 tests, FDA says
According to the FDA, expiration dates can be extended when the manufacturer provides data showing...

Do I need a second dose of the new COVID-19 vaccine?
The CDC has just announced a second shot for elders and the immunocompromised people -...

Do at-home COVID tests actually expire?
Can you use an at-home COVID-19 test past its expiration date — and can it...

Here’s why getting a COVID shot during pregnancy is important
Nearly 90% of babies who had to be hospitalized with Covid-19 had mothers who didn’t...

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Nursing aides plagued by PTSD after ‘nightmare’ COVID conditions, with little help
COVID killed more than 3,600 U.S. health care workers in the first year of the pandemic. It...

Study shows how pandemic affected teen boys and girls differently
Teen girls were more adversely affected than teen boys, with girls’ brains aging more than...

Free COVID tests are coming back. Here’s how to get yours
The Department of Health and Human Services is offering to mail four test kits to...