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Vaccine developed and distributed (5 dez 1940 ano – 27 out 1950 ano)

Descrição:

New vaccine has 99% effectiveness and lasts for entire lifetime

Adicionado na linha do tempo:

Amber, Danielle, Desiray, Isaac, and Ronald

1 dez 2017

0

0

441

Data:

5 dez 1940 ano

27 out 1950 ano

~ 9 years and 10 months

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