H5 Bird Flu: Current Situation | Bird Flu | CDC - Centers for Disease ...
Jan 31, 2025 · 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 …
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 …
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 …
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 …
Bird Flu | Bird Flu | CDC - Centers for Disease Control and Prevention
Jan 17, 2025 · H5 bird flu is causing outbreaks in wild birds and poultry, other animals and sporadic human cases. Infections with highly pathogenic avian influenza A (H5N1) viruses in …
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 …
Highly Pathogenic Avian Influenza A(H5N1) Virus: Interim ...
Dec 26, 2024 · Direct avian-to-human HPAI A(H5N1) virus transmission is the predominant means of human infection, although the exact mode and sites of HPAI A (H5N1) virus …
Detections of Highly Pathogenic Avian Influenza in Mammals
Jan 15, 2025 · There are many species that are potentially susceptible to highly pathogenic avian influenza (HPAI). In addition to birds and poultry, H5N1 viruses have been detected in some …
Is bird flu the next pandemic? What to know after the first H5N1 …
Jan 8, 2025 · Avian influenza, or bird flu, is a broad term that refers to several types of influenza that normally infect birds. The bird flu that’s been making news in the United States is a virus...
How are H5N9 and H5N1 different? What to know after ... - CBS …
Jan 28, 2025 · "The H5N1 virus is widely circulating across North America, and these viruses can reassort in species that are susceptible to influenza viruses," said S. Mark Tompkins, director …