This edition of State of the World's Vaccines and Immunization highlights the progress made in global immunization since the mid-1990s, progress in the development and introduction of new life-saving vaccines, as well as the challenges remaining.

Part 1: Charts the growing divide in access to vaccines and immunization and warns of the global consequences of failure to sustain investments in immunization in developing countries.

Part 2: New initiatives in response to low immunization coverage, the growing inequalities in immunization and the unacceptable toll of infectious diseases in developing countries.

Part 3: Impact of some vaccines already in use today and reviews progress in the research and development (R&D) of priority new vaccines for developing countries.

Part 4: Reasons why the world community should invest in immunization and looks at the promising future for vaccines and immunization.

The report is the result of a collaborations between the World Health Organisation (WHO), UNICEF and the World Bank.