How close are you to minneapolis...Hennepin health care has a long covid program. Here is a number you can try..612-873-4037..There is a employee there I had contact with to help me get in to the program last year. They are downtown minneapolis if you are unable to get into Mayo. Keep trying ..it helps..Kitty2..it is a frustrating disease and has attacked my immune system..I had Covid in December 2021..and I am still dealing with it every day since. Let me know if you need anything.