A majority of the cases this year have been tied to an outbreak at Disneyland, which began in December. At least 40 people who visited or worked at the theme park contracted measles, and the disease has now spread to at least six other states. The map shows the counties where cases have been reported. Data as of Feb. 2
King
WASH.
Grays
Harbor
Confirmed cases
Lane
MINN.
ORE.
Hennepin
Davison
N.Y.
S.D.
Dutchess
MICH.
CALIF.
Oakland
Minnehaha
PA.
Cook
Utah
Marin
NEB.
Cumberland
Alameda
Eastern Neb.
ILL.
COLO.
UTAH
Santa Clara
–
100,000
1963
1980
1990
2000
2015
so far
Cases since the vaccination program began in 1963
600
Cases since
measles was
declared to
be eliminated
in the U.S.
in 2000
400,000
500
400
300,000
300
200
200,000
100,000
1963
1980
1990
2000
2015
so far
By Josh Keller, Haeyoun Park and Archie Tse
