Vaccines are vital because they prevent millions of deaths annually and have eradicated or nearly wiped out diseases like smallpox and polio.
Life-Saving Impact
Global efforts saved 154 million lives over 50 years (1974-2024), with measles vaccines alone preventing 94 million infant deaths—equivalent to 6 lives every minute. COVID vaccines averted 19.8 million deaths in their first year.
Population Benefits
They create herd immunity, shielding babies, elderly, and immunocompromised; cut child mortality by 40-50%; and reduce antibiotic needs to fight resistance.
High coverage ends outbreaks—gaps cause resurgence, as seen with recent measles rises. They're safe, cost-effective public health wins.
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