The World Health Organization (WHO) is keeping an eye on a new COVID-19 variant called NB.1.8.1, or "Nimbus," that has spread across Europe, the Americas and the Western Pacific.

A medical officer at the US Centers for Disease Control and Prevention who was working on the committee that was weighing changes to the agency’s Covid-19 vaccine recommendations resigned on Friday, the same day officials the US Department of Health and Human Services announced they had removed the CDC recommendation for pregnant women and healthy children to get Covid-19 vaccines.

The Centers for Disease Control and Prevention now says that kids with no underlying health conditions "may receive" COVID-19 vaccines, dropping a broad recommendation for all children to get vaccinated against the virus.

An official at the CDC who oversaw the agency's recommendations for COVID-19 vaccines has resigned, following a week of mixed messaging from federal health officials.

The CDC says Taiwan's COVID-19 outbreak may have peaked and could wind down by late July as the number of medical visits starts to slow.

The resignation follows an order by Health and Human Services Secretary Robert F. Kennedy Jr. to change the agency's guidance.

The CDC's recommendation for the COVID-19 vaccine is changing for pregnant women and children. Here's what Kentucky experts have to say.