FBI: B'Nai B'rith package threat an apparent hoaxApril 28, 1997
Web posted at: 11:55 p.m. EDT (0355 GMT)
WASHINGTON (CNN) -- "No disease causing organisms" were present in a suspicious package discovered at B'Nai B'rith Headquarters in Washington last Thursday, the FBI said Monday.
Tests conducted by Naval Medical Research Institute in Bethesda, Maryland, concluded only common micro-organisms normally found in the environment were discovered in the broken petri dish recovered from B'Nai B'rith.
The FBI said Navy scientists worked over the weekend to be certain there was nothing dangerous in the petri dish.
A letter that accompanied the package had claimed dangerous biological agents were present in the dish. That prompted authorities to seal off the area around the building and quarantine employees for hours until initial testing showed the incident was apparently a hoax.
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