An additional 1.5 million children’s lives could be saved across the world, if those children were vaccinated against common ailments like diphtheria and tetanus.

That’s what the World Health Organization, WHO, is saying as World Immunization Week kicked off on Friday.

Immunization is widely recognized as one of the most successful and cost-effective health interventions, preventing between two and three million deaths every year.

Daniel Dickinson has been speaking to Dr Jean-Marie Okwo-Bele, the Director of the vaccines department at WHO.

Duration: 3’01” [early out: 2’06”]