Typically given in two dosages in early childhood, the MMR vaccine protects against three diseases: measles, mumps, and rubella .
One dose is about 93% effective at preventing measles if the person is exposed to the virus, while two dosages are about 97% effective, in agreement with the US Centre for Disease Control and Prevention
( CDC ).
“Most children in the world receive this vaccine or similar inoculations to this, ” Helen Petousis-Harris, a vaccinologist at the University of Auckland, told CNN. “We have safety data on the inoculation, we understand the effects really well. This type of occurrence is exceedingly rare.”
Furthermore, she said, child mortality has gone down in many countries that use these inoculations .
“Every country has a vaccine program that has been demonstrated to be very safe, ” she added. ” At the moment we need to understand what’s happened so we can work out strategies to ensure it doesn’t happened again. There’s a lot we don’t know about( the deaths ). “
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