A measles outbreak in the United States and Europe is currently on pace to hit a record high this year.
According to the WHO, there have been 107 people in the United States who have contracted measles this year. Meanwhile, Europe has seen over 41,000 cases this year, leading to 37 deaths.
In the first six months of 2018, measles has been reported in 21 states. The last measles outbreak in the U.S. occurred in 2014, infecting 667 people. More than half of the people infected were Amish and were not vaccinated.