April 17, 2019
The kindergarten immunization rate for measles, mumps and rubella fell to 93 percent this year – below the threshold needed to provide herd immunity from the spread of diseases. (File photo from Cronkite News)
April 17, 2019
The kindergarten immunization rate for measles, mumps and rubella fell to 93 percent this year – below the threshold needed to provide herd immunity from the spread of diseases. (File photo from Cronkite News)