20 April 2017 – World Immunization Week, celebrated 24–30 April 2017, promotes the use of vaccines to protect people of all ages against disease. Immunization saves millions of lives and is widely recognized as one of the world’s most successful and cost-effective health interventions. Today, there are still 19.4 million unvaccinated and under-vaccinated children in the world.
Извор: Светска здравствена организација - 20.04.2017