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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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12 agos 1955 año - The Poliomyelitis Vaccination Act was passed by Congress and signed by President Eisenhower. This act provided 9.8 million doses.
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Sophie
26 nov 2017
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12 agos 1955 año
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~ 70 years ago
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