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 ...
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 South Carolina outbreak is part of a trend the CDC has documented since 2000: Nearly all large U.S. measles outbreaks ...
In the early 1960s, American childhood was not what it is today. Many children spent hours playing unsupervised in the streets; they rode around in cars without seat belts, then came home to frozen ...
Before the pandemic, roughly half of counties had kindergarten vaccination rates high enough to prevent measles outbreaks. After the pandemic, many counties increased their vaccination rates, reaching ...
Share on Pinterest The United States recorded a 33-year high in measles cases in 2025, the highest level of U.S. measles cases since 1992. Jan Sonnenmair/Getty Images The United States is at risk of ...