The matrix (M1) protein is associated with both ribonucleoprotein and the viral envelope. A small amount of non-structural protein 2 is also present, but its location within the virion is unknown.

Emergency room visits with influenza are now "very high" nationwide, the Centers for Disease Control and Prevention said Friday, in this week's update on the winter respiratory virus season.

Due to the anatomy of the virus, we're aiming at a moving target. Like SARS-CoV-2, the surface of an influenza virion is brimming with antigens that can evolve rapidly, giving rise to new variants ...

Some Hawaiʻi Island lawmakers want the state to come up with a humane plan to manage avian flu. The Hawaiʻi County Council ...

The influenza A virus (IAV ... located at the ends of the vRNAs play a critical role in ensuring that each virion contains one copy of each RNA segment. For instance, research demonstrated ...