Now More Vaccines Recommended for Failing Mumps Vaccine

By Dr. Mercola Recent mumps outbreaks in the U.S. have health officials and regulators considering the addition of a third MMR (measles, mumps and rubella) vaccine to the recommended childhood vaccine schedule. The U.S. Centers for Disease Control and Prevention (CDC) currently recommends that children get two doses of MMR vaccine; the first dose is recommended between the ages of 12 and 15 months, and the second dose between 4 and 6 years.1 In the U.S., vaccination rates for MMR are high, with more than 91 percent of 19- to 35-month-olds having received one or more doses.2 However, the mumps portion of the vaccine is not 100 percent effective. According to the CDC, even after two doses the mumps component is only about 88 percent effective, with a range of 66 percent to 95 percent. Effectiveness after one dose is about 78 percent, with a range of 49 percent to 92 percent.3 As the CDC explained, “Mumps outbreaks can still occur in highly vaccinated U.S. communities, particularly in


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