The measles, mumps and rubella vaccine is 97% effective, so why are we seeing so many outbreaks? CNN's Chief Medical Correspondent Dr. Sanjay Gupta explains why the contagious disease is spreading.
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Wed, 03/13/2024 - 5:24pm
The measles, mumps and rubella vaccine is 97% effective, so why are we seeing so many outbreaks? CNN's Chief Medical Correspondent Dr. Sanjay Gupta explains why the contagious disease is spreading.