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.
CDC: Consumption of raw milk likely explains human brucellosis cases
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