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Whooping cough reaches epidemic level in California

From January 1 to June 10 this year, California already had 3,458 cases of whopping cough, which already exceeds the number of cases reported in 2013, and following a surge in the incidence of the disease in the past two weeks, health official found it necessary to declare an epidemic.
www.techtimes.com Published: June 16, 2014
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From January 1 to June 10 this year, California already had 3,458 cases of whopping cough, which already exceeds the number of cases reported in 2013, and following a surge in the incidence of the disease in the past two weeks, health official found it necessary to declare an epidemic.



See this story on www.techtimes.com