North America has three other large outbreaks. The longest, in Ontario, Canada, has resulted in 2,276 cases from mid-October ...

Sexually transmitted diseases remain a persistent public health challenge in America: there were approximately 2.5 million new STD cases reported in 2023 alone, driven by sharp disparities across age, ...

Health officials in Colorado say the state’s measles outbreak is over, and the U.S. added just 10 confirmed cases nationally ...

Measles cases have spread to 12 counties in Kansas, according to the Kansas Department of Health and Environment's 2025 ...