Accelerated Subtyping of Influenza A in Hospitalized Patients
1 day ago · In the United States, there have been outbreaks with these viruses among poultry and dairy cows, as well as infections among other animals. Since 2022, 67 total human cases of avian influenza A(H5) virus infection have been identified in the United States, with 66 of these cases occurring in 2024.
Avian Influenza Type A | Bird Flu | CDC
Dec 20, 2024 · The most frequently identified subtypes of avian influenza A viruses that have caused human infections are H5, H7 and H9 viruses. Specifically, A(H5N1) and A(H7N9) viruses have caused the majority of avian influenza A virus infections reported in people, with HPAI A(H5N6) and LPAI A(H9N2) viruses also causing human infections in recent years.
Influenza A virus subtype H5N1 - Wikipedia
Influenza A virus subtype H5N1 (A/H5N1) is a subtype of the influenza A virus, which causes the disease avian influenza (often referred to as "bird flu"). It is enzootic (maintained in the population) in many bird populations, and also panzootic (affecting animals of many species over a …
CDC Confirms First Severe Case of H5N1 Bird Flu in the United States
Dec 18, 2024 · Since April 2024, there have been a total of 61 reported human cases of H5 bird flu reported in the United States. Partial viral genome data of the H5N1 avian influenza virus that infected the patient in Louisiana indicates that the virus belongs to the D1.1 genotype related to other D1.1 viruses recently detected in wild birds and poultry in ...
Comparison of Contemporary and Historic Highly Pathogenic …
Dec 30, 2024 · We compared virus replication and host responses in human alveolar epithelium infected with highly pathogenic avian influenza (HPAI) A (H5N1) viruses. A/Vietnam/1203/2004 replicated most efficiently, followed by A/Texas/37/2024, then A/bovine/Ohio/B24OSU-342/2024.
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...
Genotypic clustering of H5N1 avian Influenza viruses in North …
Here, we performed ordination and clustering analyses on sequence data from H5N1 viruses identified in North America between January 2020 to December 2023 to visualize virus genotypic diversity in poultry and wildlife populations.
Avian Influenza A (H5N1) - United States of America
Apr 9, 2024 · This is the first human infection caused by avian influenza A(H5N1) virus in 2024 in the United States and the second confirmed detection in human in the country.
CDC urges doctors to speed subtyping of patients hospitalized
1 day ago · Its alert to doctors and hospitals follows a few rare but mysterious bird flu cases in the US – including, most recently, a child in San Francisco confirmed to have had H5N1 influenza – that ...
Highly Pathogenic Avian Influenza A(H5N1) Virus Clade 2.3.4.4b ...
We describe the pathology of natural infection with highly pathogenic avian influenza A (H5N1) virus of Eurasian lineage Goose/Guangdong clade 2.3.4.4b in 67 wild terrestrial mammals throughout the United States during April 1‒July 21, 2022.