1984 Rajneeshee bioterror attack

1984 Rajneeshee bioterror attack
Four of the restaurants in The Dalles affected by the attack
Location	The Dalles, Oregon, U.S.
Coordinates	45°36′4″N 121°10′58″W / 45.60111°N 121.18278°W / 45.60111; -121.18278[1]
Date	August 29 – October 10, 1984
Target	Voting population, Wasco County
Attack type	Bioterrorism
Weapons	Salmonella enterica Typhimurium
Injured	751 people infected, 45 hospitalizations
Perpetrators	Rajneeshee commune management

In 1984, 751 people suffered food poisoning in The Dalles, Oregon, United States, due to the deliberate contamination of salad bars at ten local restaurants with Salmonella. A group of prominent followers of Rajneesh (later known as Osho) led by Ma Anand Sheela had hoped to incapacitate the voting population of the city so that their own candidates would win the 1984 Wasco County elections.^[2] The incident was the first and is still the single largest bioterrorist attack in U.S. history.^[3][4]

Rajneesh's followers had previously gained political control of Antelope, Oregon, as they were based in the nearby intentional community of Rajneeshpuram, and they now sought election to two of the three seats on the Wasco County Circuit Court that were up for election in November 1984. Some Rajneeshpuram officials feared that they would not get enough votes, so they decided to incapacitate voters in The Dalles, the largest population center in Wasco County. The chosen biological agent was Salmonella enterica Typhimurium, which was first delivered through glasses of water to two county commissioners and then at salad bars and in salad dressing.

As a result of the attack, 751 people contracted salmonellosis, 45 of whom were hospitalized, but none died. An initial investigation by the Oregon Health Authority and the Centers for Disease Control did not rule out deliberate contamination, and the agents and contamination were confirmed a year later, on February 28, 1985. Congressman James H. Weaver gave a speech in the U.S. House of Representatives in which he "accused the Rajneeshees of sprinkling Salmonella culture on salad bar ingredients in eight restaurants".^[5]

At a press conference in September 1985, Rajneesh accused several of his followers of participation in this and other crimes, including an aborted plan in 1985 to assassinate a United States Attorney, and he asked state and federal authorities to investigate.^[6] Oregon Attorney General David B. Frohnmayer set up an inter-agency task force composed of Oregon State Police and the Federal Bureau of Investigation, and executed search warrants in Rajneeshpuram. A sample of bacteria was found in a Rajneeshpuram medical laboratory which matched the contaminant that had sickened the town residents. Two leading Rajneeshpuram officials were convicted on charges of attempted murder and served 29 months of 20-year sentences in a minimum-security federal prison.