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. 1998 Dec;3(12):119-121.
doi: 10.2807/esm.03.12.00101-en.

Outbreak of mumps associated with poor vaccine efficacy - Oporto Portugal 1996

G Goncalves  1 , A De Araujo, M.L. Monteiro Cardoso
Affiliations

Outbreak of mumps associated with poor vaccine efficacy - Oporto Portugal 1996

G Goncalves et al. Euro Surveill. 1998 Dec.

Abstract

Vaccination against mumps in Portugal began in 1987, with the introduction of the combined measles, mumps, and rubella vaccine (MMR) in the national vaccination programme (Programa Nacional de Vacinacao: PNV) for both sexes at 15 months. In November 1990,

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