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Avian influenza, also known as avian flu or bird flu, is a disease caused by the influenza A virus, which primarily affects birds but can sometimes affect mammals including humans. [1] Wild aquatic birds are the primary host of the influenza A virus, which is enzootic (continually present) in many bird populations. [2] [3]
The spread of avian influenza in the eastern hemisphere. According to the United Nations FAO, wild water fowl likely plays a role in the avian influenza cycle and could be the initial source for AI viruses, which may be passed on through contact with resident water fowl or domestic poultry, particularly domestic ducks. A newly mutated virus ...
On July 25, 2008, the Food and Agriculture Organization (FAO) released an Avian Influenza Disease Emergency Situation Update, reporting that H5N1 pathogenicity was continuing to gradually rise in endemic areas but the avian influenza disease situation in farmed birds was being held in check by vaccination. Eleven outbreaks of H5N1 were reported ...
The threat of avian flu has dominated public health discourse as cases become increasingly more widespread and severe. H5N1, a highly pathogenic strain, was present in several continents as early ...
Test results indicated that these animals were likely ill from H5N1 avian flu, which was first seen in wild birds in the United States in 2015," the county health department said on Dec. 11.
A new strain of bird flu (highly pathogenic avian influenza, or HPAI) has been detected on a duck farm in California.. The World Organisation for Animal Health (WOAH) reported the outbreak of the ...
On November 7, the CDC reported asymptomatic bird flu infection in 4 workers at dairy farms. The workers didn't recall ever being sick but had antibodies showing that they had been infected with bird flu. [98] On November 22, the CDC confirmed the first case of bird flu in a U.S. child, being the 55th case of bird flu in humans in the U.S.
“Symptoms of H5N1 avian influenza in the current US outbreak related to infected poultry and dairy cattle have generally been consistent with ordinary influenza symptoms,” says Amesh A. Adalja ...