Vaccines are among the most powerful inventions in history, making once-feared diseases preventable. With continued research, investment and collaboration, we can save millions more lives today and in the next 50 years. #HumanlyPossible #WorldImmunizationWeek pic.twitter.com/HqBG6ABYuf

Thanks to immunization, a child born today is 40% more likely to see their fifth birthday than a child born 50 years ago. #HumanlyPossible

Double-tap if you believe in the power of vaccines. Let's spread immunity, not diseases! . . #NationalImmunizationWeek pic.twitter.com/nBNi6geiTU

LIVE: Media briefing on #WorldImmunizationWeek and other global health issues with @DrTedros twitter.com/i/broadcasts/1BdGYroRXYNJX