Trump and Kennedy asserted without evidence a link between vaccines and autism.
Researchers at the CDC and Emory University say a combination of diminished immunity and vaccine drift may be to blame for college-age outbreaks
The CDC says there have been more than 900 mumps cases at federal immigrant detention centers in the past year.
Officials have placed a county jail in New Jersey under quarantine as they investigate suspected cases of mumps among the inmates.
Nationally, the spotlight has been on the boom in measles this year, however, the number of mumps cases has also jumped.
Mumps cases rise to 134 at Temple; Indiana University now has 6 cases