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The first ever case of Pertussis occured in the 1540's.
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The first epidemic of Pertussis occured at this time.
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The first outbreaks of pertussis occured throughout the 16th Century.
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It was discovered in Paris, France.
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Louis Sauer made a vaccine for pertussis that was very weak and was not very affective.
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They see that the vaccine is showing signs of protecting the human body and treating from the pertussis.
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The first vaccine was now available during the 1940's
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The universal pertussis vaccines were put to use in the United States.
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There were almost 50,000 cases of Pertussis during 2012.
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There was a smaller but still large outbreak of Pertussis
