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1 jan 1953 ano - Polio
Descrição:
When- March 26th, 1953, Dr. Jonas Salk announces on national radio that he has cured Polio with a vaccine and there were 58,000 more cases
Adicionado na linha do tempo:
11 set 2017
0
0
601
Health
Data:
1 jan 1953 ano
Agora
~ 71 years ago