Measles, Mumps, and Rubella - Centers for Disease Control and ...

20 MMWR May 22, 1998Transmission of mumps has occurred in medical settings (122 ). Therefore, immunityto mumps is highly desirable for all health-care workers (Table 1). Adequatemumps vaccination for health-care workers born during or after 1957 consists of onedose of live mumps-containing vaccine.MMR vaccine generally should be used whenever any of its component vaccines isindicated. However, if the prospective vaccinee has acceptable evidence of immunityto one or two of the components of MMR vaccine (Table 1), a monovalent or bivalentvaccine can be used.International TravelMeasles, rubella, and mumps are endemic in many countries. Protection againstmeasles is especially important for persons planning foreign travel, including adolescentsand adults who have not had measles disease and have not been adequatelyvaccinated, and infants aged 6–11 months. Similarly, protection against rubella is especiallyimportant for women of childbearing age who are not immune to the disease.Although proof of vaccination is not required for entry into the United States, personstraveling or living abroad should ensure that they are immune to measles, rubella, andmumps.Persons who travel or live abroad and who do not have acceptable evidenceof measles, rubella, and mumps immunity (Table 1) should be vaccinated with MMR.Children who travel or live abroad should be vaccinated at an earlier age than recommendedfor children remaining in the United States. Before their departure from theUnited States, children aged ≥12 months should have received two doses of MMRvaccine separated by at least 28 days, with the first dose administered on or after thefirst birthday. Children aged 6–11 months should receive a dose of monovalent measlesvaccine before departure. If monovalent measles vaccine is not available, nospecific contraindication exists to administering MMR to children aged 6–11 months.However, because the risk for serious disease from either mumps or rubella infectionamong infants is relatively low and because children aged