Smallpox eradication by vaccinating 80% people in 4–5 years
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Controlling Infectious Diseases »Controlling Infectious Diseases
Diseases »Diseases
Smallpox »Smallpox
Steps toward eradication »Steps toward eradication
1959 WHO report on Russian proposal for worldwide eradication »1959 WHO report on Russian proposal for worldwide eradication
Smallpox eradication by vaccinating 80% people in 4–5 years
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