H3N2 Subclade K Influenza Virus

What Is Super Flu? Super flu  is a non-medical term used to describe a severe or complicated influenza infection . It does not  refer to a new virus, but rather to influenza that causes more intense symptoms, lasts longer, or leads to serious complications  compared to common flu. Super flu is often associated with: Highly virulent influenza strains Co-infection with other viruses or bacteria Weakened immune system or underlying medical conditions What Viruses Cause Super Flu