A contagious new COVID-19 variant called NB.1.8.1, aka "Nimbus," is now dominant in the United States, CDC data show. What to know about symptoms and vaccines.

The U.S. thought it had eradicated measles 25 years ago. Now the highly contagious disease is back, spiking to more than ...

While tick bites increase every summer, with another small spike in the fall, 2025's numbers are the worst since 2019, according to the CDC.

Ever wondered which fast food chain boasts the unhealthiest menu items? This study ranked the top 10, here's what they are.

The current number of measles cases in the U.S. is at its highest level in more than 30 years, according to new data released Wednesday by the Centers for Disease Control and Prevention. The CDC said ...

Michael Angarone, infectious diseases specialist at Northwestern Medicine joins CBS New York to discuss the rise in measles.

Locally acquired cases have appeared in Florida and other parts of the U.S. where the disease isn't endemic. Health officials ...

STATEWIDE — The Centers for Disease Control and Prevention (CDC) adjusted a discrepancy with Florida COVID-19 data on Tuesday, though the new numbers still are not the same as those provided by ...

The CDC and the federal government "have not taken sufficient action" to reopen the cruise-line industry, Florida's governor said Thursday.

The state noted a 15- to 19-year-old contracted the highly contagious disease. It was unknown if they contracted it outside ...