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From the Centers for Disease Control and Prevention Update: Potential Exposures to Attenuated Vaccine Strain Brucella abortus RB51 During a Laboratory Proficiency Test—United States and Canada, 2007
From the Centers for Disease Control and Prevention Notice to Readers: Potential Exposure to Attenuated Vaccine Strain Brucella abortus RB51 During a Laboratory Proficiency Test—United States, 2007