The wind may be partly to blame for bird flu spread between farms, a new study suggests | CNN In February 2024, government veterinarians in the Czech Republic investigating a bird flu outbreak found themselves in the middle of a puzzling case. Brenda Goodman CNN

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Dr. Kamil Sedlak, who directs the State Veterinary Institute in Prague and is senior author on the study, says that after they explored all the possibilities, windborne spread was the best fit in this case.

“I think that under certain specific conditions, the spread of the avian influenza virus by wind can occur,” he said.

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