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[8] [10] In 2020, reassortment (genetic "swapping") between these H5-2.3.4.4b viruses and other strains of avian influenza led to the emergence of a H5N1 strain with a H5-2.3.4.4b gene. [8] The virus then spread across Europe, first detected there in the autumn of 2020 before spreading to Africa and Asia . [ 1 ]
Bird flu is a scary illness with a high mortality rate. But so far, infections in the U.S. have been relatively mild—until now. A patient in Louisiana has been hospitalized with a severe case of ...
The CDC says no person-to-person spread of H5 bird flu has been detected and is using its flu surveillance systems to monitor for H5 bird flu activity in people. Since March 2024, 901 dairy herds ...
Bird flu, also known as highly pathogenic avian influenza (HPAI), is caused by a virus that can result in serious illness and death in birds and mammals. The virus has been around for decades, and ...
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.
Public health officials are continuing to monitor an outbreak of avian influenza, also known as bird flu, as it spreads across the U.S. There is no evidence of person-to-person transmission of ...
A cow has its hair trimmed by an exhibitor at the state fair in West Allis, Wisconsin, U.S., August 9, 2024. Dairy farmers were taking precautions with testing for avian flu while exhibiting ...
It was established in 2005, initially to support the global effort to control H5N1 highly pathogenic avian influenza. The technical contribution to OFFLU is provided by an open network of experts in animal influenza from the OIE and FAO Reference Laboratories and Collaborating Centres, and from other institutes with leading expertise in ...