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Measles-mumps-rubella vaccine gives extra bonus

In a Danish register-based study we found that MMR vaccination was associated with a 22% reduced rate of hospital contacts related to laboratory-confirmed infection with respiratory syncytial virus (RSV).

RSV is an important cause of childhood infections and hospitalisations, but we have no good vaccine against it so far. Thus, the non-specific effect of MMR on this virus is an added value of MMR.

Sørup S, Benn CS, Stensballe LG, Aaby P, Ravn H. Measles-mumps-rubella
vaccination and respiratory syncytial virus-associated hospital contact. Vaccine.
2015 Jan 1;33(1):237-45. doi: 10.1016/j.vaccine.2014.07.110.
Link til open access
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New review about non-specific effects of vaccines, and the underlying immunological mechanisms
Read more here:
Aaby P, Kollmann TR, Benn CS. Nonspecific effects of neonatal and infant
vaccination: public-health, immunological and conceptual challenges. Nat Immunol.
2014 Oct;15(10):895-9. doi: 10.1038/ni.2961.