Listen, I understand that the flu went away but if you haven't had the so called Covid respiratory problems, you have no clue. Most people who get the flu will not go to the hospital because it is not life threatening. When you get cyanide in or around your lungs, I wrote lb, that the body will constrict itself to contain the deadly toxins and that causes restricted breathing that is really life threatening. I know all this by experience not guessing.