Bird Flu | Bird Flu | CDC - Centers for Disease Control and Prevention
CDC surveillance shows no indicators of unusual flu activity in people, including H5N1 bird flu. This page outlines CDC’s recommendations for preventing exposure to avian influenza viruses. Avian influenza or bird flu refers to the disease caused by infection with avian (bird) influenza (flu) Type A viruses.
H5 Bird Flu: Current Situation | Bird Flu | CDC - Centers for Disease ...
5 days ago · Clinicians can visit CDC's avian influenza (bird flu) information for health professionals for the latest guidance. Learn more.
About Bird Flu | Bird Flu | CDC - Centers for Disease Control and ...
Dec 30, 2024 · Bird flu is a disease caused by avian influenza A viruses that usually spread between birds, not people. One subtype of bird flu, caused by avian influenza A (H5) virus, is spreading worldwide in wild birds and causing sporadic outbreaks in U.S. poultry and dairy cows.
Comparison of Contemporary and Historic Highly Pathogenic Avian ...
Dec 30, 2024 · Clade 2.3.4.4b highly pathogenic avian influenza (HPAI) A(H5N1) viruses have circulated in avian species in North America since 2021. Subsequently, those viruses have been detected in a wide range of mammal species ().In 2024, clade 2.3.4.4b HPAI H5N1 virus was detected in dairy cattle, in both tissue samples and milk from infected animals (), and then …
May 30, 2024 · Visit CDC’s avian influenza (bird flu) information for health professional and laboratorians webpage for the latest guidance. Learn more. Seasonal flu vaccination will not prevent infection with bird flu viruses, but can reduce the risk of getting sick with human influenza viruses and thus the risk for seasonal and bird flu co-infection.
Visit CDC’s avian in4uenza (bird 4u) information for health professional and laboratorians webpage for the latest guidance. Learn more. Seasonal 4u vaccination will not prevent infection with bird 4u viruses, but can reduce the risk of getting sick with human and bird 4u viruses at the same time. Learn more.
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...
Signs and Symptoms of Bird Flu in People | Bird Flu | CDC
Dec 20, 2024 · The severity of illness associated with bird flu has ranged from mild to severe, including death. 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.
Bird Flu - California Department of Public Health
Dec 23, 2024 · Bird flu, also known as avian influenza A (H5N1) or highly pathogenic avian influenza (HPAI), is caused by a virus that can cause serious illness and death in birds and mammals. Human infections with bird flu viruses are rare, but they can happen when the virus gets into a person's eyes, nose, mouth, or when inhaled.
CDC is actively looking at multiple flu indicators during the current situation to monitor for influenza A(H5N1) viruses, including looking for spread of the virus to, or among people, in jurisdictions where the virus has been identified in people or animals.