H9N2 is a subtype of the Influenza A virus, belonging to the Orthomyxoviridae family. It primarily affects birds, with a high prevalence in poultry such as chickens and turkeys.

Universal protection against influenza viruses by multi-subtype neuraminidase and M2 ectodomain virus-like particle. PLOS Pathogens , 2022; 18 (8): e1010755 DOI: 10.1371/journal.ppat.1010755 Cite ...

We've all heard of "the flu" but when it comes to types, subtypes and variants, influenza can get a bit complicated.

H9N2 and H5N6/H5N1 have been the predominant mink influenza virus subtypes in China since 2013. Genetic analyses revealed that all H9N2 viruses detected in minks belonged to G9/Y280 lineage ...

The H5N9 strain, a subtype of the influenza A virus, is considered rare. According to the U.S. National Library of Medicine, it is a reassortant virus combining elements from H5N1, H7N9, and H9N2 ...

Influenza A is further divided into subtypes. You may have heard of H1N1 or H3N2 – those are the two dominant types of influenza A circulating right now, according to the CDC.

As the Centers for Disease Control and Prevention (CDC) explains, bird flu is a disease caused by the influenza A virus. At the same time, recent CDC data shows that seasonal influenza A is rising ...

Unlike past flu shots, flu vaccines for the 2024-2025 season don't contain the "Yamagata lineage" of influenza viruses because evidence suggests that type of flu no longer exists.

More information: Universal protection against influenza viruses by multi-subtype neuraminidase and M2 ectodomain virus-like particle, PLoS Pathogens (2022). DOI: 10.1371/journal.ppat.1010755 ...