Sverdlovsk Accidental Release

**Definition:** ANTHRAX outbreak that occurred in 1979 and was associated with a research facility in Sverdlovsk, in the Ural mountain region of central RUSSIA. Most victims worked or lived in a narrow zone extending from the facility. The zone of anthrax-caused livestock mortality paralleled the northerly wind that prevailed shortly before the outbreak. It was concluded that an escape of ANTHRAX caused outbreak.

**Tree numbers:** - K01.400.504.968.750 - N06.850.135.190.500