These numbers contrast with those obtained in the last seroprevalence study conducted in Madrid14and are amazing, given that from 1985 and adequate vaccination coverage was achieved in our region when all children given birth to after that date received 2 doses of MMR vaccine

These numbers contrast with those obtained in the last seroprevalence study conducted in Madrid14and are amazing, given that from 1985 and adequate vaccination coverage was achieved in our region when all children given birth to after that date received 2

Nikolov, Structural Biology System, Memorial Sloan-Kettering Malignancy Center, New York, NY 10065, USA

Nikolov, Structural Biology System, Memorial Sloan-Kettering Malignancy Center, New York, NY 10065, USA. Lin-Fa Wang, CSIRO Livestock Industries, Australian Animal Health Laboratory, 5 Portarlington Road, Geelong, VIC 3220, Australia. Deborah Middleton, CSIRO Livestock Industries, Australian Animal Health Laboratory, 5 Portarlington