Take the time to watch this to save your own life. I am now more grateful to be alive because I learned some of this early in the game and put to use those anedotes spoken and explained here. No shot, no tests, avoiding those who were and my taking those prescribed doses of Vit. C, zinc and Vit. D. Oh and thankfully I am a lifelong smoker. Nicotine is like Ivermectin and they kill off parasites.