1 jan 1974 ano - Expanded Programme on Immunization
Descrição:
WHA expands its immunization program to include measles, diphtheria, tetanus, tb, pertussis, and polio
Adicionado na linha do tempo:
From A to Zika: Diseases and Medical Advancements Through Time
CDC. (2016, July 13). Middle East Respiratory Syndrome (MERS...
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