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 ...

Measles, one of the world’s most contagious diseases, was declared eliminated in the U.S. more than 25 years ago. However, measles cases have skyrocketed in the U.S. as vaccination rates continue to ...

Over the past five years, measles outbreaks have hit more than 100 countries. Canada lost its official measles elimination status on Nov. 10, 2025. The United States could be next. Eight-month-old ...

The government has launched an investigation into the shortage of measles vaccines and the deaths of children caused by the infection, as concerns grow over ...

A measles outbreak in Spartanburg County, South Carolina is the largest in the U.S. since the disease was declared eliminated in 2000. South Carolina has reported 847 measles infections over a ...