A mysterious human case of the H5N1 bird flu was recently discovered in Missouri—and experts are still working to determine how the patient was infected.
14 hours ago
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A hospitalized patient in Missouri was infected with bird flu despite having had no known contact with dairy cows or other animals associated with an ongoing outbreak, health officials said Friday.
Sep 7, 2024
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A current strain of highly pathogenic avian influenza, commonly known as bird flu, has become a global problem. The virus has affected many millions of birds, some other animal species, and a small number of people.
Sep 3, 2024
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In early August, farmworkers gathered under a pavilion at a park here for a picnic to celebrate Farmworker Appreciation Day. One sign that this year was different from the others was the menu: beef fajitas, tortillas, pico ...
Aug 29, 2024
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Planet Earth—a mere speck in our universe—is home to more viruses than there are stars in the cosmos. They exist at life's outer limit, performing a delicate dance that has lasted eons but can turn in an instant. Not ...
Aug 27, 2024
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One in six dairy products in U.S. retail stores contained signs of inactive bird flu virus this summer, regulators said, slightly lower than the numbers seen in a different survey when the pathogen was first found in the ...
Aug 14, 2024
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Folks worried about bird flu, salmonella and other foodborne illnesses have a simple solution at hand—simply use a cooking thermometer to make sure food is well-cooked.
Aug 5, 2024
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A new study lends weight to fears that more livestock workers have gotten the bird flu than has been reported.
Jul 31, 2024
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The U.S. will pay for flu shots for farmworkers this year, a strategy to prevent bird flu from changing into something more dangerous.
Jul 30, 2024
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With bird flu virus detected in cow's milk, U.S. health authorities have warned the public against potential sources of exposure, including drinking raw or unpasteurized milk, and have reiterated a general warning that consuming ...
Jul 29, 2024
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Influenza A virus subtype H5N1, also known as "bird flu," A(H5N1) or simply H5N1, is a subtype of the Influenza A virus which can cause illness in humans and many other animal species. A bird-adapted strain of H5N1, called HPAI A(H5N1) for "highly pathogenic avian influenza virus of type A of subtype H5N1", is the causative agent of H5N1 flu, commonly known as "avian influenza" or "bird flu". It is enzootic in many bird populations, especially in Southeast Asia. One strain of HPAI A(H5N1) is spreading globally after first appearing in Asia. It is epizootic (an epidemic in nonhumans) and panzootic (affecting animals of many species, especially over a wide area), killing tens of millions of birds and spurring the culling of hundreds of millions of others to stem its spread. Most references to "bird flu" and H5N1 in the popular media refer to this strain.
According to the FAO Avian Influenza Disease Emergency Situation Update, H5N1 pathogenicity is continuing to gradually rise in endemic areas but the avian influenza disease situation in farmed birds is being held in check by vaccination. Eleven outbreaks of H5N1 were reported worldwide in June 2008 in five countries (China, Egypt, Indonesia, Pakistan and Vietnam) compared to 65 outbreaks in June 2006 and 55 in June 2007. The "global HPAI situation can be said to have improved markedly in the first half of 2008 [but] cases of HPAI are still underestimated and underreported in many countries because of limitations in country disease surveillance systems".
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