Public health experts worry about the proposal to split the MMR vaccine. A doctor explains why

While President Donald Trump is pushing to split the MMR vaccine into three shots, experts say there’s no scientific reason for it, and it could lead to lower vaccination rates.

​ While President Donald Trump is pushing to split the MMR vaccine into three shots, experts say there’s no scientific reason for it, and it could lead to lower vaccination rates. Read More Breaking News, Latest News and Videos | CNN