Forbes December 25, 2024
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 year, the letters and numbers may indicate the risk of spreading beyond the usual prevalence of infection and expected severity of illness.
There has been a lot of attention paid recently in the news about H5N1 bird flu, but it is also important not to lose sight of the ever-present risk of seasonal influenza. We are seeing a gradual uptick in influenza infections across the...
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