An interactive tool from Johns Hopkins University lets you track the disease as the U.S. suffers its worst year in decades. The United States is experiencing its worst measles outbreak in three ...

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 number of measles cases in the United States has surpassed 2019's wave of infections, according to Centers for Disease ...

CDC data shows 2025 is now the worst year for measles cases in this country in more than three decades. More than 150 people ...

Measles was declared eliminated from the United States 25 years ago. Now, the Centers for Disease Control reports major ...

The map of flu activity across the United States continues to darken, both figuratively and literally, as case numbers spike upward in most states, according to the Centers for Disease Control and ...

Tick bites are are on the rise this and they can carry some nasty illnesses. Which are most common depends where you live. Here's what to know to protect yourself.

The U.S. has hit an unwelcome milestone in measles cases this year. The CDC is reporting 1,288 cases across the country. The disease was declared eliminated 25 years ago.