[Post-vaccination anti-poliomyelitis seroprevalence in an urban setting in Abidjan].

In order to determine the antipoliomyelitis seroprevalence of children in Abidjan, we checked the presence of antipoliovirus antibodies in 48 children received in the South Abobo's vaccination center for vaccination against measles. According to the vaccination schedule and rules applied in Côte d'Ivoire: 12.5% of the children have received less than three doses or oral polio vaccine (OPV), 87.5% have received the three doses. Antibody titration results indicated that 78.6, 93 and 76.2% of the children have been immunized against Poliovirus type I, type II and type III, respectively; 71.4% of the children showed antibodies against the three poliovirus serotypes and 4.8% had no antipoliovirus antibodies at all. The children which showed an antibodies titer less than 1/8 were considered unprotected: the proportion of unprotected was 21.4, 7 and 23.8% against Poliovirus type I, type II and type III, respectively. Although these results showed that the level of protection against poliomyelitis in Abidjan is acceptable (> 75%), the efforts for vaccination program in Côte d'Ivoire need to be improved in order to eradicate poliomyelitis.