Mezue ahịrịokwu na-esonụ: N'afọ 1984, The Dalles bụ ebe a na-eme ihe nkiri
ihe mberede bioterrorist nke ndị otu Rajneesh Movement bidoro na-anwa ịchịkwa ọchịchị obodo Wasco County. Salmonella e tinyere n'ụlọ nri iri mere ka mmadụ 751 bute ọrịa Salmonellosis. Ọ bụ mwakpo mbụ a maara nke iyi ọha egwu sitere n'ihe ndị e kere eke mere na narị afọ nke 20 na United States. E dekọrọ ọnọdụ nke mwakpo ahụ n'otu isiokwu nke American Medical Association (JAMA Mpịakọta nke 278, Nke 5, peeji nke 389, 6 Aug 1997).