Mumps epidemic in Portugal despite high vaccine coverage - preliminary report.
A measles, mumps, and rubella (MMR) trivalent vaccine was added to Portugal's National Immunisation Programme (NIP) in 1987. All vaccines are given at health centres, free of charge, but an epidemic of mumps began in 1995, firstly in northern Portugal and
Dias
J.A.
JA
Cordeiro
M
M
Afzal
M.A.
MA
Freitas
M.G.
MG
Morgado
M.R.
MR
Silva
J.L.
JL
Nunes
L.M.
LM
Lima
M.G.
MG
Avilez
F
F