Prevalence And Incidence Of Poliomyelitis In Children In Jaipur City

Abstract

A random sample in Jaipur city during the period July to October 1986 of 3791 families with a total population of 23, 227 having 2863 children between 5 and 9 years of age, belonging to various castes and communities, comprised the material for the present study. The prevalence of poliomyelitis was found to be 6.98/1000 children 5-9 years of age and the incidence was 2.32 /1000 children 0-5 years of age. Most of the cases (85%) were lame due to poliomyelitis by 2 years of age and mean age of onset of paralysis was 15.6 months. The right lower limb was more commonly affected. 25% of the lame children had received one or more doses of oral polio vaccine, 25% developed provocative paralysis following injection. 75% of the lame children had 2nd or 3rd degree of disability.