Anti-vaccine activists seized on a deadly outbreak in Seminole, setting off a battle between fringe doctors and mainstream ...

At least 1,157 measles cases have been reported in the United States this year, according to a CNN tally using data from ...

Measles cases in the U.S. have been rare in recent decades, thanks to a strong childhood vaccination program. But a few cases inevitably pop up each year as travelers bring the virus in from other ...

The data presented in the maps are compiled from official sources, including state and county health departments and additional county-level news releases or news articles, and represent ...