Almost two weeks since recovering from COVID. Had 4 bad days of fever, headache etc then started getting better. Tested negative about two weeks ago. Now I'm still tired most of the day. Feeling weak all day. About one week ago my heart rate started raising when I do anything such as walking. I was at the airport a few days ago walking to the baggage claim. My HR hit 120 bpm. Had to sit and wait for it to lower. When lying down it's okay about 65 bmp. But standing and any activity it's elevated. I'm tired all day although sleep through the night. Like I'm in a constant fog. My Blood oxygen reads okay with an average of 96 and blood pressure is okay as well. Anyone have the same after affects?