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In comparison, seasonal influenza causes an estimated 4,900 to 51,000 deaths every year in the U.S., according to the CDC. ... Addressing the public health risk of bird flu for humans, ...
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]
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 ...
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 ...
Likewise, annual flu vaccination includes inoculation against a type-A human H1N1 flu, leading to the possibility that the annual flu shot or Flumist inoculation might confer some immunity against H5N1 bird flu infection, and indeed testing the blood of volunteers to look for immune response to H5N1 found that some blood samples showed immunity ...
H3N2 evolved from H2N2 by antigenic shift and caused the Hong Kong Flu pandemic of 1968 and 1969 that killed up to 750,000 humans. The dominant strain of annual flu in humans in January 2006 is H3N2. Measured resistance to the standard antiviral drugs amantadine and rimantadine in H3N2 in humans has increased to 91% in 2005.
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 ...
The virus was first detected in poultry in 2013, since then spreading among wild bird populations and poultry around the world. Humans can be infected through unprotected contact with infected birds or contaminated surfaces. The virus transmits by getting into a person's eyes, nose, mouth, and through inhalation. Human infections are rare ...