A scientist who has dedicated his life to studying seabirds has revealed how climate change has led to mass mortality events, altered breeding times and how the population is now being devastated by bird flu, in one of the ...
Plants & Animals
Sep 19, 2023
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1
A new Europe-wide study compiled information on the occurrence of over 75 pathogenic microbes across Europe from almost 400 bird- and 40 bat species. Combining data on occurrence with climatic factors revealed that the occurrence ...
Plants & Animals
Sep 11, 2023
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10
Scores of sea lions have died from bird flu in Argentina, officials said Tuesday, as an unprecedented global outbreak continues to infect mammals, raising fears it could spread more easily among humans.
Veterinary medicine
Aug 30, 2023
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13
When hundreds of birds were found dead along Mexico's Pacific coast earlier this year, experts immediately suspected avian flu.
Veterinary medicine
Jun 16, 2023
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Early tests indicate that the recent mass death of thousands of seabirds along Chile's northern coast were not caused by avian flu, authorities said Friday.
Ecology
Jun 3, 2023
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62
St. Jude Children's Research Hospital scientists discovered how the current epizootic H5N1 avian influenza virus (bird flu) gained new genes and greater virulence as it spread west. Researchers showed that the avian virus ...
Evolution
May 30, 2023
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23
California condors will receive a vaccine for a deadly strain of avian influenza that threatens to wipe out the already critically endangered vulture species, federal officials said Tuesday.
Veterinary medicine
May 17, 2023
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Famed for its bald, leathery visage and astonishing wingspan, the federally endangered California Condor symbolizes both a species on the brink of extinction and a thundering success story for conservationists.
Ecology
May 8, 2023
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12
In 2021, avian influenza evolved into a new form—a new and remarkably lethal variant first found in Europe.
Ecology
May 4, 2023
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4
The UK government recently announced that as of April 18, poultry and captive birds can be kept outside again as the threat from bird flu eases. These mandatory housing measures were introduced across England and Wales in ...
Veterinary medicine
Apr 21, 2023
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6
Avian influenza, sometimes avian flu, and commonly bird flu, refers to "influenza caused by viruses adapted to birds." Of greatest concern is highly pathogenic avian influenza (HPAI).
"Bird flu" is a phrase similar to "swine flu," "dog flu," "horse flu," or "human flu" in that it refers to an illness caused by any of many different strains of influenza viruses that have adapted to a specific host. All known viruses that cause influenza in birds belong to the species influenza A virus. All subtypes (but not all strains of all subtypes) of influenza A virus are adapted to birds, which is why for many purposes avian flu virus is the influenza A virus (note that the "A" does not stand for "avian").
Adaptation is non-exclusive. Being adapted towards a particular species does not preclude adaptations, or partial adaptations, towards infecting different species. In this way strains of influenza viruses are adapted to multiple species, though may be preferential towards a particular host. For example, viruses responsible for influenza pandemics are adapted to both humans and birds. Recent influenza research into the genes of the Spanish flu virus shows it to have genes adapted to both birds and humans; with more of its genes from birds than less deadly later pandemic strains.
This text uses material from Wikipedia, licensed under CC BY-SA
