Vaccine refusal linked to California pertussis outbreak

September 30, 2013 12:13 PM

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Vaccine refusal linked to California pertussis outbreak

New evidence suggests that clusters of people who refused the whooping vaccine may have been one of the factors that contributed to California's 2010 whooping cough outbreak.

The 2010 California outbreak of the extremely contagious respiratory disease pertussis (also known as whooping cough) was the largest in more than 60 years. It resulted in 9,120 cases and 10 deaths -- a third of all the cases seen in the USA that year. Several causes of the outbreak have previously ...

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