Despite routine use of a childhood vaccine, the United States still sees outbreaks of mumps. Now, a new study reinforces the belief that it's due to waning immunity post-vaccination.
Mumps is a viral infection best known for causing puffy cheeks, a swollen jaw, fever and...
Children and teenagers vaccinated against the mumps virus have accounted for one-third of infections in recent years, a new U.S. government study finds.
The reasons are unclear, and experts stressed that routine childhood vaccination remains the best weapon against mumps...