The CDC reported 5,182 measles cases this year, the most since 1991. Children and teens are almost 60 percent of cases. At least eight deaths were reported.
Why it matters: Falling vaccination makes outbreaks harder to contain.
The CDC reported more than 5,000 measles cases this year. This is the highest number since 1991. Children and teenagers are almost 60% of cases. Nearly all infected people were unvaccinated.
Why it matters: Falling vaccination leaves communities exposed to preventable disease.
A Wisconsin infant died of measles, the state's first death from the disease in more than three decades. The US faces its highest number of measles cases in decades.
Why it matters: Measles spreads easily where vaccination rates fall.