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Bee mites suppress bee immunity, open door for viruses and bacteria

ation of increased mite infestation, virus infection and bacteria is the cause of the two-week death collapse of hives."

The mites suppressed other immune responses in the bees, leaving the bees and the colonies more vulnerable to infection. The bee mites transfer from adult bees to late stage larva. The virus can be transferred through many different pathways.

"This system is important not only because of what the mites are doing to honey bee populations in the U.S., but because it can be used as a model system for exploring what happens to viruses in animal or human populations," says Cox-Foster. "If we view the colony as a city, then we have a variety of infection modes ?queen to eggs, workers to food supply, bee to bee, and parasite to bee."


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Source:Penn State


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