The color-coded map indicates each state’s activity level, ranging from minimal to very high. Flu activity is currently highest in New York City, New Hampshire, Massachusetts, New Jersey ...

The most current map reflects data from the week ending Feb 8, 2025. Flu activity is currently highest in New York City, New Hampshire, Massachusetts, New Jersey, Maryland, Virginia, Ohio ...

reaching unprecedented intensity and marking the most severe flu season in at least 15 years, according to the CDC. The CDC's Influenza Surveillance Report map monitors visits to the doctor for ...

It’s not totally clear why flu is hitting so hard this year. One possibility is that it got off to a late start, so the ...

Measles cases have surpassed 300 in the U.S. in 2025 thus far, more than the total number of infections seen in all of 2024.

The most current map reflects data from the week ending Feb 8, 2025. Bird Flu Vaccine Gets ‘Conditional License’ From Usda, Company Announces Flu activity is currently highest in New York City ...