Polio - protective vaccination

Polio - protective vaccination
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Polio - protective vaccination against infantile paralysis

 
Since the vaccination against the polio virus during the sixties , the incidence of polio has been decreasing to almost zero.

Source: Deutsches Bundesarchiv (German Federal Archive)
Date: 25. November 1967
Author: 
Gathmann, Jens

 

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 - Uploaded at 11.04.2011
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