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History of Vaccines | Pfizer

pfizer.com · 832 words · saved by 1 readers

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Vaccine Education Information The human body is constantly dealing with invaders. Most of the time they’re detected and destroyed before they can do any harm. But there are times when it’s not a fair fight. Throughout our history, viruses like smallpox and influenza have killed hundreds of millions of people. So when it was discovered that the body could be armed ahead of time to fight the invader by inoculation with a vaccine,it was hailed as a breakthrough. Since then, vaccines have repeatedly confirmed their place as one of the greatest public health advancements of all time. And their wide

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