Two doses of the measles-mumps-rubella (MMR) vaccine are 97% effective against the measles virus.
Mandatory Credit: Annie Rice/Reuters via CNN Newsource
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Measles outbreak could last a year, health official in Texas says
Three hundred and twenty-one cases have been reported in the ongoing measles outbreak in Texas, New Mexico and Oklahoma, the states said Tuesday. This is an increase of 25 cases since an update on Friday.
