Italy s new vaccination schedule reduced coverage of poliomyelitis vaccine in Naples.
Italy s health ministry introduced changes to the immunisation schedules for children on 7 April 1999, including immunisation against poliomyelitis. The changes included the replacement of the first two childhood doses of oral poliomyelitis vaccine (OPV)
Panico
M.G.
MG
Trinchese
N.M.
NM
Serpieri
B
B
Attena
F
F