Immunization, Vaccines and Biologicals

3 May 2016

Greece extends vaccination to refugees and migrants

Childs drawing of a boat crossing the sea with migrants in it

Two vaccination campaigns for the refugee and migrant population in Greece will begin in early May 2016 to ensure that all those who require vaccination receive it.

Vaccination will be provided according to Greece's national immunization schedule.

2 May 2016

Immunization highlights 2015

There is arguably no single preventive health intervention more cost-effective than immunization in saving lives and protecting people’s health.

A selection of the most notable immunization achievements and events in 2015 as a result of WHO’s involvement is featured here.

27 April 2016

Vaccines: A global health success story

It’s no secret that vaccines are considered 1 of the greatest global health achievements. Every year they avert an estimated 2 to 3 million deaths.

During the last 2 centuries, vaccines have eradicated smallpox, reduced global child mortality rates and prevented countless birth defects and lifelong disabilities. But, the success story of vaccination is not yet finished.

26 April 2016

Global switch in oral polio vaccines

Between 17 April and 1 May 2016, 155 countries and territories will stop using the trivalent oral polio vaccine (tOPV), which targets all three strains of wild poliovirus, and replace it with bivalent OPV (bOPV), which targets the remaining two wild polio strains, types 1 and 3.

Immunization news

fact buffet

Mortality reduction

79%drop in global measles deaths

Measles fact sheet


86%of infants vaccinated with 3 doses of DTP vaccine in 2014

Immunization coverage fact sheet

Incomplete vaccination

18.7 millioninfants still missing out on basic vaccines

2014 Global vaccination data