H5 Bird Flu: Current Situation | Bird Flu | CDC - Centers for Disease ...
4 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 …
H5 Bird Flu Response: Focus Areas for Ongoing Public Health Risk ...
5 days ago · Most cases of H5N1 bird flu associated with the ongoing outbreak in the United States have resulted in mild symptoms. CDC experts and other scientists continue to work to understand why some infections, including an infection reported in Canada and one reported in Louisiana, resulted in serious illness.
Highly Pathogenic Avian Influenza A(H5N1) Virus: Interim ...
Dec 26, 2024 · HPAI A (H5N1) virus infection has been reported in wild mammals such as foxes, bears, seals, and sea lions, and in domesticated animals, including pets such as cats and dogs, farmed mink and foxes, and livestock such as goats and dairy cows.
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.
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 threat of avian influenza H5N1 looms over global biodiversity
5 days ago · H5N1 is an outcome of unsustainable production systems that overexploit land and domestic animals 2.Since it was first detected in poultry (1959, chickens in Scotland; 1996, geese in China) and ...
The global H5N1 influenza panzootic in mammals - Nature
Sep 24, 2024 · In this Perspective, we explore the molecular and ecological factors driving the sudden expansion in H5N1 host range and assess the likelihood of different zoonotic pathways leading to an H5N1...
New reports sharpen clinical picture of recent human H5N1
Dec 31, 2024 · Two groups of investigators today fleshed out fuller clinical understanding of North American patients recently infected with H5N1 avian influenza, one of them describing a Canadian teen who had a severe infection and the other reviewing illness features of 46 US patients, most of whom had mild infections following exposure to sick dairy cows or poultry.
Will Bird Flu Lead To A Pandemic? First U.S. Patient Dies From H5N1 …
Jan 7, 2025 · H5N1 has led to a bird flu outbreak in humans the U.S. Will it cause a pandemic? Experts warn about virus mutations as first U.S. patient dies in Louisiana.