H5 Bird Flu: Current Situation | Bird Flu | CDC - Centers for Disease ...
5 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 …
Current Situation: Bird Flu in Dairy Cows | Bird Flu | CDC
5 days ago · In the United States, since 2022, USDA APHIS has reported HPAI A (H5N1) virus detections in more than 200 mammals. On April 1, CDC confirmed one human HPAI A (H5N1) infection in a person with exposure to dairy cows in Texas …
Bird Flu | Bird Flu | CDC - Centers for Disease Control and Prevention
H5 bird flu is causing outbreaks in wild birds and poultry, other animals and sporadic human cases. A multi-state outbreak of HPAI A (H5N1) bird flu in dairy cows was first reported on …
Avian Influenza (Bird Flu): H5N1, Causes, Symptoms & Treatment
Avian influenza, commonly called “bird flu,” is a viral infection that spreads in birds, cows and other animals. It can sometimes spread to people. In humans, H5 subtypes of influenza A are the most common cause. It can cause mild to severe respiratory symptoms and pink eye. People who work with poultry, waterfowl and dairy cows are most at risk.
H5N1 Bird Flu: What You Need to Know > News - Yale Medicine
Jan 7, 2025 · Avian influenza A (H5N1), or bird flu, has killed millions of wild birds, and caused sporadic outbreaks among poultry and an ongoing multistate outbreak among cows in the United States. While there has been no known person-to-person transmission of the virus, there have been 67 reported human cases in the U.S. since 2022.
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.
Current Avian Influenza A(H5N1) Outbreak - MN Dept. of Health
Avian Influenza A (H5N1) is primarily an occupational hazard that impacts workers in the poultry and dairy industries. Currently, H5N1 avian influenza is a low health risk to the public as person-to-person transmission of avian influenza viruses is very rare.
H5N1 Bird Flu in Dairy Cows, Poultry, and Humans | Johns Hopkins ...
Nov 26, 2024 · What is the state of bird flu in the U.S. at this moment? Meghan Davis: When we last spoke in May, we were investigating a growing outbreak of H5N1 among dairy cows and poultry. A lot has happened since then. At this point, we have over 600 cow herds that have been confirmed positive, and that number is growing almost every day—particularly in California, …
What You Should Know About Avian Influenza A (H5N1) - ASM.org
Jun 24, 2024 · Influenza A (H5N1) clade 2.3.4.4b has been circulating at least since 2020 in wild birds in Europe, Asia and Africa. Next-generation sequencing (NGS)-based evidence placed its arrival in wild birds in North America in late 2021, with detection in U.S. commercial poultry flocks by February 2022.