Influenza Viruses: What’s In A Name?

https://www.forbes.com/sites/markkortepeter/2024/12/25/influenza-viruses-whats-in-a-name
If you are wondering what the different letters and numbers used to name influenza viruses mean, such as H1N1, H3N2, H5N1 and influenza A, B, C or D, you are probably not alone. The letters and numbers used for influenza viruses have significance. Depending on what strain of influenza virus is circulating in a given