“The antigen that the at-home tests look for has remained fairly stable even as the virus mutates and new strains of COVID ...

While the delta COVID-19 variant is the dominant strain in the U.S., it’s now officially the dominant strain worldwide “by far,” officials from the World Health Organization said during a Sept. 21 ...

Confirmed COVID-19 cases are again up week-over-week, according to CDC data. Here's what to know the week of Sept. 1.

The Advisory Committee on Immunization Practices recommended that only people 65 and older and those with an underlying medical condition get updated COVID-19 vaccines. The recommendations mean that ...

NEW YORK (WABC) -- The CDC is weighing a significant update to its mask information as the highly transmissible omicron variant sweeps across the nation. Federal health officials are expected to ...

A Centers for Disease Control & Prevention committee is meeting this week to discuss new guidelines for the Covid-19 vaccine.

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

PHILADELPHIA (WPVI) -- COVID-19 boosters could play a big role in keeping kids in school as the omicron variant surge continues. A CDC advisory panel will be discussing the extra dose on Wednesday for ...

"The rules have changed. We have a different epidemic now that we did in May." Adding more insight into the CDC’s updated mask guidance, newly published details of the Provincetown outbreak raise ...

WASHINGTON -- The CDC says it plans to update its mask "information" to "best reflect the multiple options available to people and the different levels of protection they provide." At Wednesday's ...