A mushroom extract fed to honeybees greatly reduces virus levels, according to a new paper from Washington State University scientists, the USDA and colleagues at Fungi Perfecti, a business based in Olympia, Washington.

In field trials, colonies fed mycelium extract from amadou and reishi fungi showed a 79‑fold reduction in deformed wing virus and a 45,000‑fold reduction in Lake Sinai virus compared to control colonies.

Though it's in the early stages of development, the researchers see great p