March 30, 2017

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What effect have vaccinations had on the lives of people today?

  • 3rd grade social studies - ,

    People live much longer. They don't die of the many diseases that used to kill them.

    Vaccinations have largely wiped out measles, mumps, scarlet fever, whooping cough, polio, and smallpox.

  • 3rd grade math - ,


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