7 agos 1970 año - Smallpox Eradication

Descripción:

1970's: The final push to eradicate smallpox
1977: Last naturally ocuring smallpox patient
1978: Smallpox lab accident
1979: Smallpox declared eradicated by the Worlf Health Organization (WHO)

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14 dic 2018

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The History of Infectious Diseases

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