Almost 900 U.S. migrants had mumps in past year
It’s not clear how the disease was introduced into immigration facilities or how it spread.
Learn more about this story at https://www.newsy.com/93370/
Find more videos like this at https://www.newsy.com
Follow Newsy on Facebook: https://www.facebook.com/newsyvideos
Follow Newsy on Twitter: https://www.twitter.com/newsy
