Washington: One in five commercial milk samples tested in a nationwide survey contained particles of the H5N1 virus, or bird flu, the U.S. Food and Drug Administration said late on Thursday, suggesting the outbreak of bird flu is more widespread than previously thought.
The agency said there is no reason to believe the virus found in milk poses a risk to human health.
“This says this virus has largely saturated dairy cattle throughout the country,” said Dr. Michael Osterholm, an infectious disease expert at the University of Minnesota.
Many infectious disease experts and government officials have said they believe the pasteurization process will inactivate the virus, also known as avian influenza.
However, additional testing is needed to confirm that there is no infectious virus in the milk, the agency said. “To date, the retail milk studies have shown no results that would change our assessment that the commercial milk supply is safe,” the FDA said in its latest update.
US FDA says about 1 in 5 commercial milk samples tested positive for bird flu traces https://t.co/lqbHicicyv pic.twitter.com/JkyZoCYpTS
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“I’m not worried about the milk itself. It does indicate that the virus is more widespread among dairies than we had previously thought,” said Samuel Alcaine, associate professor of food science at Cornell University.
“We had a little over 30 herds or farms that had been reported as having positive for avian influenza. We have just under 30,000 farms across the U.S. Thirty-three is a really small number. It makes it seem like there is definitely more spread out there,” he said.
BREAKING: FDA Says Bird Flu Found In Cows Milk pic.twitter.com/9f7IHY9nJf
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Eight U.S. states have confirmed cases of bird flu in 33 dairy herds, according to the U.S. Department of Agriculture. Only one person – a Texas farm worker – has been confirmed to have bird flu in the current outbreak. The patient suffered conjunctivitis, an eye irritation that can cause redness and discomfort.
The FDA said the U.S. Centers for Disease Control and Prevention has not recorded additional human cases beyond the first confirmed case.
FDA is further assessing any positive findings through egg inoculation tests, which it described as a gold standard for determining viable virus.
(REUTERS)
