In 2017, the disease affected 21,315 people, compared to 5,273 in 2016. Last year, 35 people died in Europe because of measles. The World Health Organizations says unvaccinated people are a factor.
State health officials are struggling to contain a measles outbreak that has sickened mostly Somali-American children. The vaccination rate is low in this tight community that's worried about autism.
A measles outbreak in Minnesota's Somali-American community is the latest example of the challenges public health officials face in addressing deeply ingrained concerns about vaccine safety.
If you're traveling this spring, be sure you're vaccinated. 2017 is shaping to be bad year for the measles, with thousands of cases in Italy and Romania. And vaccine coverage is stagnating worldwide.