H5 Bird Flu: Current Situation | Bird Flu | CDC - Centers for Disease ...
3 days ago · H5 bird flu is widespread in wild birds worldwide and is causing outbreaks in poultry and U.S. dairy cows with several recent human cases in U.S. dairy and poultry workers. While the current public health risk is low, CDC is watching the situation carefully and working with states to monitor people with animal exposures.
Influenza A virus subtype H5N1 - Wikipedia
Influenza A virus subtype H5N1 (A/H5N1) is a subtype of the influenza A virus, which causes the disease avian influenza (often referred to as "bird flu"). It is enzootic (maintained in the population) in many bird populations, and also panzootic (affecting animals of many species over a …
CDC A(H5N1) Bird Flu Response Update November 4, 2024
Nov 4, 2024 · CDC provides an update on its response activities related to the multistate outbreak of avian influenza A (H5N1) virus, or "H5N1 bird flu," in dairy cows and other animals in the United States.
As US marks first H5N1 bird flu death, WHO and CDC say risk …
Jan 7, 2025 · The H5N1 bird flu situation in the US seems more fraught than ever this week as the virus continues to spread swiftly in dairy cattle and birds while sporadically jumping to humans.
CDC Confirms First Severe Case of H5N1 Bird Flu in the United …
December 18, 2024-- A patient has been hospitalized with a severe case of avian influenza A(H5N1) virus ("H5N1 bird flu") infection in Louisiana. This marks the first instance of severe illness linked to the virus in the United States.
Influenza: A(H5N1) - World Health Organization (WHO)
May 16, 2024 · H5N1 influenza virus infection can cause a range of diseases in humans, from mild to severe and in some cases, it can even be fatal. Symptoms reported have primarily been respiratory, but conjunctivitis and other non-respiratory symptoms have also been reported.
The Emerging Threat of H5N1 to Human Health | NEJM
Dec 31, 2024 · Highly pathogenic avian influenza (HPAI) A (H5N1) emerged in 1997. 1 Since then, it has spread globally by migratory birds, resulting in infections in animals on every continent.
Highly Pathogenic Avian Influenza A(H5N1) Virus Infections in …
Dec 31, 2024 · Highly pathogenic avian influenza A (H5N1) viruses have caused widespread infections in dairy cows and poultry in the United States, with sporadic human cases. We describe characteristics of...
Avian influenza A(H5N1) virus
Avian influenza A (H5N1) is a subtype of influenza virus that infects birds and mammals, including humans in rare instances. The goose/Guangdong-lineage of H5N1 avian influenza viruses first emerged in 1996 and have been causing outbreaks in birds since then.
Avian Influenza - Washington State Department of Health
Nov 6, 2024 · A strain of H5N1 highly pathogenic avian influenza (HPAI) has been circulating in wild birds around the world and was first detected in the U.S. in January 2022. This avian influenza strain has also infected domestic poultry, including commercial and backyard flocks, as well as wild and domestic mammals and was first identified in Washington ...