Notes from the Field: Human Brucella abortus RB51 Infections Caused by Consumption of Unpasteurized Domestic Dairy Products --- United States, 2017--2019

Since August 2017, CDC has confirmed three cases of brucellosis attributed to Brucella abortus cattle vaccine strain RB51. Each case was associated with consumption of domestically acquired unpasteurized (raw) milk products.

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