CDC updates mumps vaccine recommendations

June 12, 2006

Following this year's mumps outbreak, which resulted in 2,597 cases of the illness in the U.S., CDC has revamped the immunization recommendations in an attempt to better control mumps immunity. The Advisory Committee of Immunization Practices (ACIP) now defines acceptable presumptive evidence of immunity as: documentation of adequate vaccination, laboratory evidence of immunity, birth before 1957, or adequate vaccination-which is now defined as one dose of a live mumps vaccine for preschool-aged children and adults not at high risk, and two doses for school-aged children (grades K-12) and for adults at high risk (e.g., healthcare workers, international travelers, college students).

CDC updates mumps vaccine recommendations

Following this year's mumps outbreak, which resulted in 2,597 cases of the illness in the U.S., CDC has revamped the immunization recommendations in an attempt to better control mumps immunity. The Advisory Committee of Immunization Practices (ACIP) now defines acceptable presumptive evidence of immunity as: documentation of adequate vaccination, laboratory evidence of immunity, birth before 1957, or adequate vaccination-which is now defined as one dose of a live mumps vaccine for preschool-aged children and adults not at high risk, and two doses for school-aged children (grades K-12) and for adults at high risk (e.g., healthcare workers, international travelers, college students). In addition, ACIP said healthcare workers should have immunity to mumps and adequate vaccination consists of two doses of mumps vaccine for those born during or after 1957. Healthcare workers with no history of mumps vaccination and no other evidence of immunity should receive two doses of vaccine at a minimum interval of 28 days between doses, and those who've only had one dose of vaccine should receive a second. Even though most people born before 1957 actually contracted the illness, the ACIP considers this only presumptive evidence of immunity and now suggests that healthcare facilities consider inoculating this age group with one dose of mumps vaccine. ACIP also provides new guidelines for controlling a mumps outbreak.

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