Influenza A Subclade K

What Is Super Flu? Super flu  is a term used to describe a severe influenza infection  with stronger symptoms and a higher risk of complications. It is caused by influenza viruses , not a new virus, and can affect anyone, especially people with weakened immunity. Symptoms of Super Flu Common symptoms of super flu include: High fever Severe body and muscle aches Extreme fatigue Persistent cough Sore throat Headache and chills Shortness of breath Nausea or diarrhea Symptoms may