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Tag: avian influenza

Topic: avian fluView all posts for the topic: avian flu

USDA Now Requiring Mandatory Testing and Reporting of HPAI in Dairy Cattle as New Data Suggests Virus Outbreak is More Widespread

Published April 24, 2024

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Published by: AgWeb
By Tyne Morgan

USDA is now ordering all dairy cattle must be tested prior to moving the animals across state lines as a way to help stop the spread of HPAI H5N1 impacting dairy herds across the country. This comes after a lab at Ohio State University detected genetic material of the virus in 38% of retail milk samples they’ve tested, data that also suggests the current outbreak is being underreported.

In a new Federal Order announced on Tuesday, USDA says in an effort to protect the U.S. livestock industry from the threat posed by highly pathogenic H5N1 avian influenza, there are a number of actions being taken with federal partners to limit the spread.

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Topic: avian fluView all posts for the topic: avian flu

Bird flu virus found in grocery milk as officials say supply still safe

Published April 23, 2024

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Published by: The Washington Post
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By Lena H. Sun, Rachel Roubein, Dan Diamond

Viral fragments of bird flu have been identified in samples of milk taken from grocery store shelves in the United States, a finding that does not necessarily suggest a threat to human health but indicates the avian flu virus is more widespread among dairy herds than previously thought, according to two public health officials and a public health expert who was briefed on the issue.

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H5N1 bird flu virus particles found in pasteurized milk but FDA says commercial milk supply appears safe

Published April 23, 2024

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Published by: STAT
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By Helen Branswell, Nicholas Florko, Megan Molteni, Rachel Cohrs Zhang

Testing conducted by the Food and Drug Administration on pasteurized commercially purchased milk has found genetic evidence of the H5N1 bird flu virus, the agency confirmed Tuesday. But the testing, done by polymerase chain reaction, or PCR, cannot distinguish between live virus or fragments of viruses that could have been killed by the pasteurization process.

The agency said it has been trying to see if it could grow virus from milk found to contain evidence of H5N1, which is the gold standard test to see if there is viable virus in a product. The lengthy statement the agency released does not explicitly say FDA laboratories were unable to find live virus in the milk samples, but it does state that its belief that commercial, pasteurized milk is safe to consume has not been altered by these findings.

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Scientists say USDA is sharing too little data too slowly on H5N1 flu

Published April 23, 2024

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Published by: CNN
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By Brenda Goodman

When the US Department of Agriculture announced late Sunday that it had publicly posted new data from its investigation into a bird flu outbreak in cattle, scientists eagerly searched a well-known platform used globally to share the genetic sequences of viruses.

The sequences weren’t there. As of Tuesday morning, they still aren’t.

Researchers looking to track the evolution and spread of H5N1 say the information that was posted — raw data on a US server — isn’t very useful and is anything but transparent. They also say the government’s release of information in the outbreak, which was confirmed in cattle almost a month ago, has been painfully slow.

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Bird flu detected in cows in three more Michigan counties, agriculture department says

Published April 12, 2024

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Published by: Michigan Public
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By Zena Issa

The recent detection of highly pathogenic avian influenza, commonly known as bird flu, has been confirmed in three additional dairy herds in Michigan counties: Ionia, Isabella, and Ottawa, the Michigan Department of Agriculture and Rural Development said Friday. That brought the total to four affected counties, with Montcalm County the first to detect the disease in a dairy herd about two weeks earlier.

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CDC sequencing of H5N1 patient samples yields new clinical clues

Published April 3, 2024

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Published by: CIDRAP
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By Lisa Schnirring

The Centers for Disease Control and Prevention (CDC) last night released a detailed analysis of H5N1 avian flu samples taken from a patient in Texas who was exposed to sick cows, which suggests that the infection might involve the eyes but perhaps not the upper respiratory tract.

Also, when CDC scientists compared the human H5N1 samples to viruses from cattle, wild birds, and poultry, they found in the human sample a mutation with known links to host adaptation.

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Tests confirm avian flu on New Mexico dairy farm; probe finds cats positive

Published April 2, 2024

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Published by: CIDRAP
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By Lisa Schnirring

The US Department of Agriculture (USDA) Animal and Plant Health Inspection Service yesterday announced that tests have now confirmed highly pathogenic avian influenza (HPAI) in a New Mexico dairy herd and that the virus has now been confirmed in five more Texas dairy herds.

Part of quickly evolving developments, the announcement came shortly after Texas health officials and the Centers for Disease Control and Prevention (CDC) announced the first human case, which involves a person from Texas who had contact with dairy cattle, highlighting the risk to farm workers.

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Avian flu infects person exposed to sick cows in Texas

Published April 1, 2024

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Published by: CIDRAP
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By Lisa Schnirring

Federal and state health officials today reported that a person connected to a dairy farm in Texas has tested positive for H5N1 avian flu, the first known case linked to sick dairy cows and the nation’s second since the virus began circulating in wild bird and poultry in 2022.

Today’s case announcement underscores new interim guidance that the Centers for Disease Control and Prevention (CDC) released over the weekend on preventing, detecting, and responding to avian flu infections in humans, which are very rare and mainly pose a threat to people who are exposed to sick animals or contaminated environments.

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