Yes, the early symptom only make intense itching and rash on your skin. if your skin is damaging by surgery/ falling/ accident, the wound will keep wet and get infection and abscess. Hair in people leg and wrist/ arm will be gone unnormally because Scabies will pull in people body hair inside. In the long term infection, it will make your muscle become tickling and your heart will beat unnormally. Scabies mites that fill the space under your skin will push your blood vein that can cause heart attack or brain stroke that can lead to sudden death. the old or evolved Scabies mites can fly and spread through the air. You can prove it by burning sulfur inside the room of person that has been infected by Scabies mites for a long time, there will be a rain of dead flying Scabies mites coloring in black.