Centers Disease Control Prevention
While the CDC has yet to identify the source of the outbreak, many of those infected had eaten burgers or sandwiches with romaine lettuce at Wendy's before falling sick.
Government advisers are debating who should should get new updated COVID-19 boosters and when.
Rochelle Walensky announced a "reset" for the organization amid public criticisms over its response to the coronavirus and monkeypox.
The rate of dead seal strandings in Maine is about three times the normal rate for the summer and is close to 60, the National Oceanic and Atmospheric Administration said.
U.S. health officials are restating their recommendation that Americans wear masks on planes, trains and buses, despite a court ruling last month that struck down a national mask mandate on public transportation.
And more than half of all Americans had signs of previous infections, researchers estimated.
As a result, 35,000 U.S. children entered kindergarten without evidence that they were vaccinated for extremely contagious diseases.
The new BA.2.12.1 variant accounted for 19% of COVID cases in the U.S. last week, sharply increasing its spread from the week before.
Penguins may be the only birds zoo visitors can see right now, because they are usually protected behind glass in their exhibits, making it harder to contract the bird flu.
The new data comes a day after a study of New York children suggested the vaccine may not be as effective in 5- to 11-year-olds as in older kids.