Two more measles cases have been confirmed in Minnesota, bringing the state's total to 20.
Last year, Minnesota reported 70 measles cases, but this year the number was 0 until recently. Fifteen of the 20 cases have been from exposures within the United States, 4 have been imported cases, and 1 case-patient has an unknown exposure.
The Minnesota Department of Health said the children likely contracted measles from an unvaccinated adult.
In contrast, Mexico is experiencing a large ongoing measles outbreak, resulting in 22 deaths and 4,879 confirmed cases through October 11.
Author's summary: Measles cases rise in Minnesota.