Pulse polio immunization in Delhi--1995-96: a survey.

A coverage evaluation survey of the campaign for mass Pulse Polio Immunization (PPI) on 9th December, 1995 and 20th January, 1996 in Delhi was carried out using the modified cluster sampling technique and a pre-structured proforma. Six-hundred-and-nine children of under-3 age group were covered in the survey. Overall coverage for both the doses was found to be 77%. While coverage for 9th December dose was found to be 80%, it rose to 90.2% on 20th January, 1996. Coverage levels for male and female children were similar. Parental literacy was seen as a definite factor, positively affecting the coverage levels. Proportion of not covered under PPI was significantly higher in the 0-6 months age group. Television and health workers were found to be the main sources of awareness about PPI.