1959 WHO report on Russian proposal for worldwide eradication
Λεπτομέρειες πλοηγού
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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
Smallpox eradication by vaccinating 80% people in 4–5 years »Smallpox eradication by vaccinating 80% people in 4–5 years
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