Mumps vaccine may be wearing out for some age groups

New research could explain the growing number of mumps cases among young adults who thought childhood vaccines would last forever. Scientists warn the shots may be wearing off for some age groups. The answer could be a third mumps shot when someone turns 18. Dr. David Agus joins "CBS This Morning" to discuss why vaccines need to be improved.

Read more:

Page 2 of 3


The Opinion Poll


National Weather

Click on Map for Forecast