Dec 20, 2024 · The reported signs and symptoms of bird flu in humans have varied. Eye redness has been the predominant symptom among recent U.S. cases of avian influenza A(H5) virus infection. Respiratory symptoms and fever were also reported.

4 days ago · Bird flu, or avian influenza, is an illness caused by a virus that primarily spreads among birds but can sometimes infect humans and other animals. Below are answers to common questions about bird flu, its risks, and how to stay safe. ... Watch for signs of illness and separate sick birds immediately. ...

Dec 22, 2024 · The bird flu outbreak has taken concerning turns, with more than 60 human cases confirmed. Experts outlined four signs that the virus is going in the wrong direction.

3 days ago · Mild forms of avian influenza (known as low pathogenic avian influenza, or LPAI) are routinely found in wild birds and don’t cause serious illness. From time to time, a mild strain changes through mutation or mixing with other flu viruses into a more severe type of the virus (highly pathogenic avian influenza, or HPAI).

Feb 26, 2025 · Highly Pathogenic Avian Influenza (HPAI), also known as "bird flu," is circulating now in the United States and much of the world. This strain of influenza virus has spread from wild birds into poultry, dairy cattle, domestic cats and many species of wildlife throughout the United States. Although relatively rare, it has also caused illness in ...

Mar 5, 2025 · The earliest warning sign of bird flu infection appears in the eyes, with redness and irritation developing within 24-48 hours after exposure. This distinguishing feature marks the beginning of the infection process.

Feb 25, 2024 · 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.

Most of the signs and symptoms of bird flu overlap with those of other respiratory illnesses (like seasonal flu or COVID-19). Fever may not always be present. If you develop any of the signs or symptoms listed on this fact sheet, immediately call the health department of the state you are in …

Dec 23, 2024 · Symptoms of bird flu show up differently in birds and in humans. Sometimes birds with bird flu show no signs of the virus before dying suddenly.

Provides the Highly Pathogenic Avian Influenza Warning Signs infographic for download.