Acting CDC director, citing Trump directive, calls for MMR shot to be split into three despite no evidence of benefit

The acting director of the US Centers for Disease Control and Prevention called for vaccine makers to develop separate shots against measles, mumps and rubella to replace combination MMR vaccines, despite no evidence of any benefit to getting the shots separately.

​ The acting director of the US Centers for Disease Control and Prevention called for vaccine makers to develop separate shots against measles, mumps and rubella to replace combination MMR vaccines, despite no evidence of any benefit to getting the shots separately. Read More Breaking News, Latest News and Videos | CNN