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CDC: Consumption of raw milk likely explains human brucellosis cases

Three human cases of brucellosis attributed to RB51 Brucella abortus cattle vaccine were likely due to consumption of unpasteurized milk products, according to CDC researchers. RB51 is a live, attenuated vaccine that cows can shed in their milk, does not stimulate a detectable antibody response in people and is resistant to rifampin. Consumption of raw milk can also cause infection with E. coli, campylobacter and listeria bacteria.

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