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.

1 day ago · The H5N1 bird flu has been spreading widely among wild birds, poultry, cows and other animals. Its escalating presence in the environment increases the chances people will be exposed, and potentially catch it, officials have said. Right now the risk to the general public is low, the CDC says.

Apr 17, 2022 · Wild birds, captive birds, and domestic poultry (backyard poultry includes chickens, geese, ducks, quail, turkeys, pheasants, guinea fowl, and more) are all affected by bird flu, also known as HPAI H5. There are two kinds of avian influenza: high pathogenicity (HPAI) and low pathogenicity (LPAI).

Feb 2, 2025 · After the current strain of bird flu, H5N1, reached the U.S. in 2022, more than 148 million birds have been euthanized. What is the outbreak's potential impacts on humans, the poultry industry ...

Avian influenza (AI) is a viral infection that affects primarily domestic poultry and pet, zoo, and wild birds. In domestic poultry, AI viruses are typically of low pathogenicity (LPAI), causing subclinical infections, respiratory disease, or decreased egg production.

Jan 23, 2025 · Most people with avian influenza have been infected through exposure to sick dairy cows or poultry. Cows with bird flu shed large amounts of the H5N1 virus in their milk, although pasteurization ...

Feb 4, 2025 · Avian influenza, or "bird flu," is a contagious viral disease of domestic and wild birds. It's a major threat to the poultry industry, animal health, trade, and the economy worldwide. Caused by influenza type A viruses, the disease varies in severity depending on the strain and species affected.

May 9, 2024 · This webpage summarizes the current bird flu situation in U.S. domestic and global poultry. Domestic Summary In February 2022, USDA's APHIS announced an HPAI A(H5N1) virus outbreak in a commercial poultry facility followed by outbreaks in three U.S. states in commercial poultry facilities and a backyard flock, marking the first HPAI A virus ...

Jan 21, 2025 · The latest poultry outbreak confirmation from the USDA's Animal and Plant Health Inspection Service (APHIS) includes a detection in Georgia at a broiler farm that houses 45,500 birds in Elbert County, located in the northeastern part of the state.

Jun 20, 2024 · APHIS confirmed highly pathogenic avian influenza (HPAI) in a commercial flock in the United States on February 8, 2022. Since then, we have worked swiftly to identify and respond to detections and mitigate the virus’ impact on U.S. poultry production and trade.

Feb 5, 2025 · Bird flu—or avian influenza —has been spreading for decades in wild birds across the globe. More recently, we’ve seen it move to other animals. In 2022, it started to infect commercial and...

May 3, 2024 · the possibility that avian influenza A viruses could be transmitted to humans exposed to infected birds. When avian influenza A(H5) or A(H7) virus outbreaks occur in poultry, depopulation (or culling, also called "stamping out") of infected flocks is usually carried out.

Feb 7, 2025 · Perhaps the most contentious debate about bird flu in the poultry industry right now is whether to vaccinate flocks. Given the mounting death toll for animals and the increasing risk to humans, there’s a growing push to vaccinate certain poultry against avian influenza, which countries like China, Egypt, and France are already doing.

Dec 23, 2024 · Most cases of bird flu are LPAI. In poultry, some low-pathogenic viruses can mutate, or change, into highly pathogenic (disease-causing) avian influenza viruses.

Highly pathogenic avian influenza is extremely contagious and deadly to domestic poultry. If we find it in the United States, we must quickly eradicate the disease to protect our Nation’s flocks and economy. HOW DOES BIRD FLU SPREAD? Avian influenza spreads quickly by …

Jan 15, 2025 · Bird flu spreads rapidly among infected poultry and can spread between mammals. While humans can catch bird flu from infected animals, it doesn’t spread well between humans. This could change over time as the virus mutates and evolves.

Jan 27, 2025 · Harrisburg, PA – The Pennsylvania Department of Agriculture today confirmed the first positive case of Highly Pathogenic Avian Influenza (HPAI) in domestic poultry in Pennsylvania in 2025, in a 50,000-bird layer chicken flock on a commercial poultry farm In Lehigh County. Preliminary samples indicated the presence of the H5, 2.3.4.4 HPAI ...

Avian influenza (AI) is a disease that affects domestic poultry including: Waterfowl and shorebirds are natural hosts for the avian influenza virus. These birds will shed the virus, often without showing signs of illness. Highly pathogenic avian influenza (HPAI) is rapidly fatal for poultry.

Jan 31, 2025 · A few simple precautions can protect people raising backyard flocks from bird flu. Getty Images. Interest in raising backyard chickens grew rapidly during the COVID-19 pandemic and continues due to the ever-increasing cost of store-bought eggs.. But the same H5N1 bird flu that has led to the culling of millions of chickens, ducks and other birds in commercial flocks …

3 days ago · Avian influenza remains a moving target. Bird flu is constantly changing. A different strain of bird flu, H5N9, is now also showing up in some poultry flocks with the potential to keep spreading through wild birds. No H5N9 cases have been found in Ohio yet. Vaccines for animals present a challenge