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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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28 dez 1948 ano - La edad de oro de la vacunación.Después de la vacuna de la poliomielitis, se desarrollaron vacunas frente al sarampión, l a parotiditis y la rubéola.
Adicionado na linha do tempo:
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By
victor
16 nov 2017
0
0
351
Data:
28 dez 1948 ano
Agora
~ 76 years ago
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