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CHICAGO (Reuters) -H5N1 bird flu was confirmed in a pig on a backyard farm in Oregon, the first detection of the virus in swine in the country, the U.S. Department of Agriculture said on Wednesday.
We’ve all heard of swine flu,” Schaffner said. Avian influenza A viruses can also infect horses, bats and dogs, per the CDC — rarely, they spread to humans.
H5-2.3.4.4b can be prevented by vaccination in chickens. In China, The H5-Re14 (2.3.4.4b) strain used in updated vaccines since 2022 is a reasonably good match for the new virus. [11] In May 2024, Penn Medicine announced it had created a human avian flu vaccine on the same platform as its COVID-19 vaccine.
Although a wide variety of bird species have been shown to contract and spread Influenza A virus subtype H5N1, from waterfowl to poultry and birds of prey, mammalian infections have been of particular interest to researchers due to their potential to develop mutations that increase the risk of mammal-to-mammal spread and transmission to and among humans.
The CDC recommends fairgoers avoid eating or drinking while visiting swine exhibits, and that the immunocompromised avoid the pens altogether Two people contract swine flu after visiting pigs at fairs
Avian influenza HA preferentially binds to alpha-2,3 sialic acid receptors, while human influenza HA preferentially binds to alpha-2,6 sialic acid receptors. [40] Usually other differences also exist. Currently, there is no human-adapted form of H5N1 influenza, so all humans who have caught it so far have caught avian H5N1.
Unidentified individual from north Yorkshire tested by GP after suffering from respiratory problems
. ===References=== *Centers for Disease Control and Prevention > Key Facts about Swine Influenza (Swine Flu) Retrieved on April 30, 2009 English: The gastrointestinal tract , also called the digestive tract, alimentary canal, or gut, is the system of organs within multicellular animals that takes in food, digests it to extract energy and ...