Immunization coverage rates still need improvement

Immunization coverage in Bihar.

Is there still an immunity gap in high-level national immunization coverage, Iran?

As there is a significant number of Iranian immigrant and illegal refugees living in marginal areas of large cities that might induce immunization gap in these areas.  The aim of this study was to provide reliable information on vaccination status of these people. A cross sectional study was conducted on children 24-47 month old who lived in the suburb areas of five large cities of Iran in 2013...

Cluster sampling for immunization coverage.

The WHO/EPI cluster sampling method for immunization coverage surveys is part of the course for management training in EPI programmes. The application of this method, based on a framework of villages, is impractical in dispersed populations common in many countries in Africa. To make the method work under those circumstances leads to unacceptable bias, which tends to overestimate the real cover...

Monitoring equity in immunization coverage.

This paper analyses trends in coverage of three doses of diphtheria-pertussis-tetanus vaccine (DPT3) by wealth groups in selected countries. It discusses the depth of disparities in coverage by wealth and changes during the 1990s. Complete assessment of equity in income and its trends have been discussed in other papers, however issues related to children's well-being have often been brushed as...

Immunization Coverage in WHO Regions: A Review Article

  In 1974, the World Health Organization (WHO) established the Expanded Program on Immunization (EPI) to ensure that all children have access to routinely recommended vaccines. Since then, global coverage with the four core vaccines (Bacille calmette guérin vaccine [for protection against tuberculosis], Diphtheria-tetanus-pertussis vaccine [DTP], Polio vaccine, and Measles vaccine) has increase...