BALTIMORE, Oct. 6 (UPI) -- A combination of a virus and a fungus could be responsible for colony collapse disorder, the mysterious syndrome killing U.S. honeybees, researchers say.
The findings, published in an online journal PLoS One, are the result of a joint effort by scientists at the Army's Edgewood Chemical Biological Center near Baltimore and the Bee Alert team at Montana State University and the University of Montana, The New York Times reported Wednesday.
They say the fungus-virus combination appears to be present in every killed colony, although neither agent can kill bees single-handed.
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