The fact
U.S. health authorities are warning people who were there that day.
This is the first case linked to the worst measles outbreak in the U.S. in 35 years.
Click the link to read an article on the topic:
Discover
U.S. health authorities are warning people who were there that day.
This is the first case linked to the worst measles outbreak in the U.S. in 35 years.