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UNICEF promotes the rights and wellbeing of every child, especially those in greatest need. More at www.ponabana.com

DRIVING CHANGE FOR CHILDREN THROUGH DATA Revealing disparities, advancing children’s rights.

UNICEF saves children’s lives, defends their rights, and helps them fulfill their potential. We never give up. UNICEF, for every child.

CEO of @Gavi, the Vaccine Alliance. Medical doctor specializing in infectious disease epidemiology and global health.

Saving children’s lives and protecting people’s health by increasing equitable use of vaccines. Tweeting about #vaccineswork & #globalhealth.