Prevalence of hyperimmunization against tetanus in Italians born after the introduction of mandatory vaccination of children with tetanus toxoid in 1968
Journal article published in 1993 by
G. Gentili,
M. Wirz,
C. Collotti,
P. Pasquini,
Raffaele D'Amelio,
T. Stroffolini,
P. M. Matricardi,
R. Nisini 
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Abstract
Systematic mandatory immunization of children against tetanus was started in Italy in 1968. Prevalence of tetanus hyperimmunization (> 5 IU/ml) was assessed among 214 immune subjects born after 1968 and found to be 17.3%. This figure is significantly higher (p