California Whooping Cough Outbreak Raises Vaccine Concerns

February 8, 2015 8:50 PM

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ELK GROVE, Calif. (AP) - A California city with a large number of whooping cough cases despite a high immunization rate is revealing the limitations of the current vaccine used to protect against the disease.

The Sacramento Bee reports that Elk Grove had a whooping cough infection rate three to five times higher than other places in Sacramento County last year even though only 80 of the suburb's 4,500 kindergartners opted out of vaccinations.

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