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Tuesday, July 23, 2024

Beef Tissue from Sick Cow Exams Optimistic for Chicken Flu Virus


Beef tissue from a sick dairy cow has examined constructive for the chook flu virus, federal officers stated on Friday.

The cow had been condemned to be culled as a result of it was sick, and the meat didn’t enter the meals provide, based on the U.S. Division of Agriculture. The division continued to emphasize that the industrial meals provide remained secure.

However the constructive take a look at, which got here as a part of an ongoing federal research of beef security, raises issues about whether or not the virus may make its approach into the industrial beef provide, posing a well being threat to people.

To this point, the virus, which is named H5N1, has solely been detected in dairy cattle and never within the beef cattle which might be raised for meat. However consultants imagine that the outbreak is larger than the official tally of 58 affected dairy herds in 9 states.

“It’s evident that that is widespread and would require fixed vigilance,” stated Brian Ronholm, the director of meals coverage at Client Stories, an advocacy group.

Total, he stated, he believed that the danger to shoppers remained low. However, he added, “will probably be essential for shoppers to verify they cook dinner meat to the right temperature for extra assurance.”

Officers and consultants have stated that thorough cooking was more likely to destroy any virus which may make its approach into meat; preliminary lab exams of floor beef helps that concept. .

However Dr. Gail Hansen, an unbiased meals security and veterinary well being professional who has been crucial of the federal authorities’s response to the dairy cow outbreak, stated that officers had been being overly assured within the security of beef.

“Folks do eat meat uncommon and even uncooked,” she stated. “So as soon as once more the assurances from authorities companies, earlier than the science is in to verify or deny the assumptions, proceed to undermine the arrogance by the general public.”

The united statesD.A. stated the truth that inspectors had recognized the ailing cow, and prevented its meat from coming into the meals provide, was proof that its protocols had been working. However some contaminated cows have been asymptomatic and will not be caught by such inspection methods. The company has not discovered virus in floor beef samples collected from stores in states the place cows have examined constructive.

To this point, the company’s Meals Security and Inspection Service has examined tissue samples from 96 dairy cows that had been condemned due to indicators of illness. Simply samples from one cow examined constructive for H5N1, based on the company, which is within the means of testing further muscle samples.

The findings launched Friday had been additional indication that folks ought to take care cooking and making ready meat, stated Dr. David Acheson, a former chief medical officer of the Meals Security and Inspection Service at the usD.A.. Meals security consultants advocate at all times completely cooking meat to forestall an infection from extra widespread pathogens comparable to salmonella, listeria and E. coli.

“These meals security suggestions had been in retailer lengthy earlier than H5N1 grew to become a problem, and they need to at all times be our fundamental customary,” stated Dr. Keith Poulsen, director of the Wisconsin Veterinary Diagnostic Laboratory on the College of Wisconsin-Madison.

Earlier this month, the usD.A. launched outcomes from an experimental research through which researchers added excessive concentrations of the virus into beef patties. The researchers discovered no virus current within the meat once they cooked the burger to 160 levels Fahrenheit, the interior temperature of a well-done burger, or 145 levels Fahrenheit, the temperature of a burger cooked to medium.

Nevertheless, there was virus current in uncommon burgers, cooked to 120 levels, though at significantly diminished ranges; the company stated cooking to that temperature “considerably inactivated the virus.”

“All indications are: You cook dinner your meals, even when there’s virus in there, it is going to kill it,” stated Stacey Schultz-Cherry, a virologist and influenza professional at St. Jude Kids’s Analysis Hospital.

Consultants want to know extra in regards to the constructive pattern, together with the degrees of virus it contained, stated Matthew Moore, a meals science professional on the College of Massachusetts, Amherst. It’s unclear whether or not the virus was viable or inactivated. Whether or not folks can contract avian flu by consuming contaminated meals additionally stays an open query. A research revealed on Friday discovered that unpasteurized milk contaminated with the virus sickened mice, heightening issues amongst consultants that consuming uncooked milk might hurt people. A number of cats have additionally died after consuming contaminated uncooked milk.

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