Nyorai kuenderera mberi kweiyi ndima - Kurwiswa kwekutanga uye kwakakura kwazvo kwechikafu muUS kurwiswa kwe1984 Rajneeshee bioterror
. Vanhu 751 vakapindwa nechepfu muThe Dalles, Oregon kupfurikidza nokushatiswa kwemabhawa esaradhi neSalmonella nechinangwa chokupesvedzera 1984 Wasco County sarudzo.