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Amid an ongoing outbreak of bird flu among poultry and dairy cows, the United States has recorded its first human death due the virus known as avian influenza A or H5N1.
Avian flu has been around and infecting wild birds and poultry since 1996. There have been nearly 1,000 known cases of bird flu in humans (889 between 2003 and May 3, 2024, according to the World ...
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 newer variant of avian influenza that recently infected dairy cattle in Nevada has a genetic change that’s thought to help the virus copy itself in mammals — including humans — more ...
All influenza A virus pandemics since the 1900s were caused by Avian influenza, through Reassortment with other influenza strains, either those that affect humans (seasonal flu) or those affecting other animals (see 2009 swine flu pandemic). [35] The serotypes that have been confirmed in humans, ordered by the number of confirmed human deaths, are:
If H5N1 bird flu changes at the right place at ... the progression of the disease.” Risks to humans. ... the more opportunity it has to change in ways that will help it pry its way into human cells.
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. Human flu symptoms usually include fever, cough, sore throat, muscle aches, conjunctivitis and, in severe cases, severe breathing problems and pneumonia that may be fatal.
While it won’t protect you from H5N1 bird flu per se, immunization could play a pivotal part in warding off a bird flu pandemic, according to the Centers for Disease Control and Prevention (CDC).