Na Son Nguyen/Associated Press
WORRY An outbreak of the H5N1 bird flu virus was reported in Vietnam in February.
Just how easy is it to make a deadly virus?
This disturbing question has been on the minds of many scientists recently, thanks to a pair of controversial experiments in which the H5N1 bird flu virus was transformed into mutant forms that spread among mammals.
After months of intense worldwide debate, a panel of scientists brought together by the World Health Organization recommended last week in favor of publishing the results. There is no word on exactly when those papers —
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