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. 1988 Dec;101(3):605-9.
doi: 10.1017/s0950268800029472.

Persistence of poliovirus-neutralizing antibodies 2-16 years after immunization with live attenuated vaccine. A seroepidemiologic survey in the mainland of Venice

R Trivello  1 , G Renzulli, G Farisano, C Bonello, M Moschen, V Gasparini, G Benussi
Affiliations

Persistence of poliovirus-neutralizing antibodies 2-16 years after immunization with live attenuated vaccine. A seroepidemiologic survey in the mainland of Venice

R Trivello et al. Epidemiol Infect. 1988 Dec.

Abstract

A seroepidemiological survey was conducted on subjects who had received a full vaccination course with live attenuated poliovirus 2-16 years before. For strains 1 and 2 prevalence of seropositives and median values dropped gradually during the first 10 years; strain 3 showed a much earlier decline. Environmental displacement of wild poliovirus by the attenuated, less immunogenic strain might eventually induce a 'gap', should complacency hamper needed vaccination efforts.

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