The U.S. has now tallied at least 60 confirmed or suspected measles cases investigated so far this year by authorities in 17 states — more than the 58 cases reported nationwide in all of 2023.
A new study on COVID-19 vaccines that looked at nearly 100 million vaccinated individuals affirmed the vaccines' previously observed links to increased risks for certain adverse effects including myocarditis and Guillain-Barré syndrome.
The agency is loosening its COVID isolation recommendations for the first time since 2021 to align it with guidance on how to avoid transmitting flu and RSV.