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Hello there!

Vaccines have saved many lives, especially from nasty viruses like smallpox and poliomyelitis which claimed several human lives, and other terrible bacterial infections like diphtheria, pertussis, Haemophilus influenzae infections in children, to name a few.

So yeah, vaccines have saved many lives, including mine and yours as well and that is why many of us don't have paralysis either from polio and so on.

Hope this helped you! 😄

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Viral_TDM

Lvl 7
2y ago
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Dennis O'Hara

Lvl 1
2y ago
great answer, thankss!
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Viral_TDM

Lvl 1
2y ago
No problem! Happy to help :)
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Wiki User

13y ago

They have prevented millions of deaths and unnecessary suffering, and they have helped to eradicate a few diseases.

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COOLGIRL12345

Lvl 4
2y ago

If people allowed themselves to get them, vaccines could change the world.

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Q: How have vaccines changed the world?
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