H5 Bird Flu: Current Situation | Bird Flu | CDC - Centers for Disease ...
6 days ago · CDC is using its flu surveillance systems to monitor for H5 bird flu activity in people. • Dairy cattle: Ongoing multi-state outbreak. • Wild Birds: Widespread. • Poultry Flocks: Sporadic outbreaks. • Mammals: Sporadic infections. • Person-to-person spread: None. • Current public health risk: Low.
Bird Flu | Bird Flu | CDC - Centers for Disease Control and Prevention
6 days ago · H5 bird flu is causing outbreaks in wild birds and poultry, other animals and sporadic human cases. Infections with highly pathogenic avian influenza A (H5N1) viruses in mammals have been reported. A multi-state outbreak of HPAI A (H5N1) bird flu in dairy cows was first reported on March 25, 2024.
Highly Pathogenic Avian Influenza A(H5N1) Virus: Interim ...
Dec 26, 2024 · This guidance outlines CDC’s recommendations for preventing human exposures to highly pathogenic avian influenza (HPAI) A (H5N1) viruses and infection prevention and control measures, including the use of personal protective equipment, testing, antiviral treatment, patient investigations, monitoring of exposed persons, and antiviral chemoprophyl...
Bird Flu - California Department of Public Health
Jan 15, 2025 · 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.
May 30, 2024 · H5 bird flu is widespread in wild birds worldwide and is causing outbreaks in poultry and U.S. dairy cows with several cases of H5 in U.S. dairy 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.
H5N1 bird flu : current situation summary - CDC Stacks
May 7, 2024 · H5N1 bird flu is widespread in wild birds worldwide and is causing outbreaks in poultry and U.S. dairy cows with one recent human case in a U.S. dairy worker. While the current public health risk is low, CDC is watching the situation carefully and working with states to monitor people with animal exposures.
Early Release - Comparison of Contemporary and Historic Highly ...
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 …
As US marks first H5N1 bird flu death, WHO and CDC say risk …
Jan 7, 2025 · In a statement on the death late Monday, the US Centers for Disease Control and Prevention emphasized that no human-to-human transmission has been identified in the US. To date, there have been 66...
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...
CDC A(H5N1) Bird Flu Response Update September 13, 2024
Sep 13, 2024 · CDC provides an update on its response activities related to the multistate outbreak of avian influenza A (H5N1) virus, or "H5N1 bird flu," in dairy cows and other animals in the United States.