Measles was declared over in the year 2000. A case here and a case there did not mean the disease was a problem.
Now there has been an outbreak of measles. It started in Disneyland in California. More than 70 cases have been reported.
A doctor says the Disneyland outbreak “has the potential to develop into one of the worst outbreaks since 1989.”
From 1989 to 1991, U.S. doctors diagnosed more than...