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Bird flu strain in US cows shows minimal, but some air spread in ferret study
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Bird flu strain in US cows shows minimal, but some air spread in ferret study
Mon, 2024-07-08 11:43 — mike kraft Bird flu strain in US cows shows minimal air spread in ferret study The bird flu strain found in cows in the United States is not easily transmitted through the air among ferrets, a new study shows, although the scientist who led the work said it had shown some ability to spread this way. Reuters
In the experiment led by researchers at the University of Wisconsin-Madison, ferrets infected with a sample of the H5N1 bird flu strain were placed near healthy animals, but not close enough for physical contact.
None of the four healthy ferrets exposed in this way became ill, and no virus was recovered from them during the study.
However, one of the ferrets had produced antibodies to the virus, the researchers later found, suggesting it had been infected.
"It is good news that the virus does not have extensive transmissibility between ferrets through the air, but it is concerning that it has the ability to transmit (at all in this way)," said study author and flu virologist Yoshihiro Kawaoka.
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