In 1984 , The Dalles was the scene of a bioterrorist incident launched by members of the Rajneesh Movement in an attempt to gain control of the local government of Wasco County . Salmonella placed in ten restaurants resulted in 751 cases of Salmonellosis . It was the first known bioterrorism attack of the 20th century in the United States . The circumstances of the attack are documented in an American Medical Association article ( JAMA Vol 278 , No 5 , page 389 , 6Aug1997 )
bioterrorist incident
1984 Rajneeshee bioterror attack
The Dalles, Oregon