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Licences and firsts, 1796 to 2021

Practice: Vaccines

Put these 5 milestones in time order, earliest at the top. The years appear when you lock in your order.

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Earliest

  1. 1
    Vaccine polio

    The inactivated polio vaccine (IPV) is licensed

  2. 2
    Vaccine malaria

    WHO recommends the first malaria vaccine for wide use in children

  3. 3
    Vaccine chickenpox

    The chickenpox (varicella) vaccine is licensed in the U.S.

  4. 4
    Vaccine mumps

    The Jeryl Lynn mumps vaccine is licensed in the U.S.

  5. 5
    Vaccine Hib disease

    The first Hib vaccine is licensed in the U.S.

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