Detections of Highly Pathogenic Avian Influenza in Mammals
Dec 26, 2024 · There are many species that are potentially susceptible to highly pathogenic avian influenza (HPAI). In addition to birds and poultry, H5N1 viruses have been detected in some mammals (see list below). Infection may cause illness, …
Current Situation: Bird Flu in Dairy Cows | Bird Flu | CDC
4 days ago · While rare, mammals can be infected with highly pathogenic avian influenza (HPAI) A(H5N1) ("H5N1 bird flu") viruses. Reports of these sporadic infections in mammals have occurred globally amid widespread outbreaks of bird flu infections in wild birds and poultry.
H5 Bird Flu: Current Situation | Bird Flu | CDC - Centers for Disease ...
3 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.
2022–2024 Detections of Highly Pathogenic Avian Influenza
Dec 27, 2024 · With the recent detections of the Eurasian H5 strain of highly pathogenic avian influenza (HPAI) in wild birds and domestic poultry in the United States, bird owners should review their biosecurity practices and stay vigilant to protect poultry and pet birds from this disease.
Bird Flu Is Infecting More Mammals. What Does That Mean for Us?
H5N1, an avian flu virus, has killed tens of thousands of marine mammals, and infiltrated American livestock for the first time. Scientists are working quickly to assess how it is evolving and how much of a risk it poses to humans.
The global H5N1 influenza panzootic in mammals | Nature
Sep 24, 2024 · Historically, swine are considered optimal intermediary hosts that help avian influenza viruses adapt to mammals before jumping to humans 20. However, the altered ecology of H5N1 has opened the...
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 spread to multiple herds in 16 US states ...
Avian influenza viruses in mammals - PubMed
Highly pathogenic avian influenza viruses of subtype H5N1 are remarkable because of their expanding non-avian host range and wide tissue tropism. They have caused severe or fatal respiratory and extra-respiratory disease in seven naturally infected species of carnivore.
The avian and mammalian host range of highly pathogenic avian …
This review will focus on detailing the avian species susceptible to infection with HPAI H5N1 influenza viruses and the factors (and species) that influence the onward transmission to mammalian hosts .
Recent Changes in Patterns of Mammal Infection with Highly
We reviewed information about mammals naturally infected by highly pathogenic avian influenza A virus subtype H5N1 during 2 periods: the current panzootic (2020-2023) and previous waves of infection (2003-2019).