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 ...

Helen Branswell covers issues broadly related to infectious diseases, including outbreaks, preparedness, research, and vaccine development. Follow her on Mastodon and Bluesky. You can reach Helen on ...

Scientists are warning that the ongoing measles outbreak might force the United States to lose its elimination status for the first time in decades. The big picture: For 25 years, the U.S. has been ...