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St. Christopher’s Children Hospital

(credit: Robyn Beck/Getty Images)

New Strain Of Whooping Cough Resistant Of Current Vaccine

This year is the worst year for pertussis, or whooping cough, in over 60 years and researchers say there is a new strain of the bacteria popping up in the United States that may be resistant to the current vaccine that’s been around for almost two decades.

02/09/2013