Tennessee has four confirmed measles cases, and health care experts know with certainty that means more are on the way. Measles was declared eliminated from the United States in 2020, but it is surging again as parents decline to vaccinate their children.

As measles spreads across the U.S., a few fully vaccinated people have contracted rare breakthrough cases. Here's what to know and why vaccination is still important.

A new positive measles case was identified in an infant in Snohomish County, according to the Snohomish County Health Department.

A Pueblo resident was exposed to a measles outbreak in Mexico during travel and tested positive for the disease. Here's everything you need to know.

The Tennessee Department of Health confirmed three additional measles cases in Middle Tennessee on Tuesday, less than two weeks after the region reported its first case. One of the new cases confirmed Tuesday is related to Tennessee's first confirmed case on March 21. No additional details are available about Tennessee’s positive cases.

An unvaccinated adult who lives in Pueblo developed measles after visiting a part of Mexico that has an ongoing outbreak.

A health unit near London at the epicentre of a provincewide measles outbreak continues to see an increase in cases of the highly infectious disease. Here is the latest on the outbreak that has spread throughout Southwestern Ontario, including Middlesex-London.

As the state continues to track cases of measles in Oklahoma, they’re mindful of exposure to the virus as well.

The number of measles cases is rising across Japan, but many on social media are spreading misinformation that the disease is not serious. Ah･･･