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 …
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.
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.
What to know about California's bird flu emergency | AP News
Dec 21, 2024 · H5N1 bird flu is spreading through cows, poultry, and wild birds, causing sporadic illnesses in people across the United States. One virologist weighs in on who’s most at risk and what precautions should be taken to avoid exposure.
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...
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.
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.
H5 Bird Flu Response: Focus Areas for Ongoing Public Health Risk ...
6 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.
Bird flu mutations show potential for easier human spread. What is …
Dec 27, 2024 · H5N1 bird flu samples collected from a severely ill patient in Louisiana show signs of mutations that may make the virus more transmissible to humans, the Centers for Disease Control and...