There have been 17 times as many U.S. measles cases in the first three months of this year compared with the average number seen in the first three months of the previous three years.
There have been 17 times as many U.S. measles cases in the first three months of this year compared with the average number seen in the first three months of the previous three years.
There have been 17 times as many U.S. measles cases in the first three months of this year compared with the average number seen in the first three months of the previous three years.
There have been 17 times as many U.S. measles cases in the first three months of this year compared with the average number seen in the first three months of the previous three years.
There have been 17 times as many U.S. measles cases in the first three months of this year compared with the average number seen in the first three months of the previous three years.