| [seroepidemiology of poliomyelitis in mexico]. | with the massive vaccination campaigns with the inactivated poliomyelitis vaccine starting in 1955 and its oral presentation in 1961, this disease has been controlled in many countries. however, wild polio virus is still transmitted in many developing countries. the study reported in this article had the objectives of estimating the prevalence of antibodies against polio for three types of virus (1, 2 and 3) in the population from 12 to 59 months of age in mexico and determining the factors asso ... | 1992 | 1321508 |