Mumps — United States
The MMR vaccine is 88 percent effective when 2 doses have been given. In people who receive just one shot, the vaccine is less effective.
Most recent outbreaks have occurred among vaccinated people, according to Dr Manisha Patel, a medical officer at the CDC.
In weighing a possible recommendation on [Wed 25 Oct 2017], the CDC advisory committee will review data from recent outbreaks, including the number of vaccinated people who became infected. In its deliberations, the panel will
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