The company that released contaminated flu virus material from a plant in Austria confirmed Friday that the experimental product contained live H5N1 avian flu viruses.
And an official of the World Health Organization's European operation said the body is closely monitoring the investigation into the events that took place at Baxter International's research facility in Orth-Donau, Austria.
"At this juncture we are confident in saying that public health and occupational risk is minimal at present," medical officer Roberta Andraghetti said from Copenhagen, Denmark.
"But what remains unanswered are the circumstances surrounding the incident in the Baxter facility in Orth-Donau."
The contaminated product, a mix of H3N2 seasonal flu viruses and unlabelled H5N1 viruses, was supplied to an Austrian research company. The Austrian firm, Avir Green Hills Biotechnology, then sent portions of it to sub-contractors in the Czech Republic, Slovenia and Germany.
The contamination incident, which is being investigated by the four European countries, came to light when the subcontractor in the Czech Republic inoculated ferrets with the product and they died. Ferrets shouldn't die from exposure to human H3N2 flu viruses.
Public health authorities concerned about what has been described as a "serious error" on Baxter's part have assumed the death of the ferrets meant the H5N1 virus in the product was live. But the company, Baxter International Inc., has been parsimonious about the amount of information it has released about the event.
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Baxter Admits Contaminated Seasonal Flu Product Contained Live Bird Flu Virus
The Canadian Press, via Google News, Feb 27, 2009
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