The medical/pharma establishment doesn't want a non-patented preventative treatment, preferring of course highly-profitable vaccines.  A much better preventative regime is to strengthen the immune system with vitamin A and D. Dr. Shiva's letter to POTUS. Dr. Shiva X22 Interview. Dr. Shiva interview on InfoWars. Dr. Shiva endorsed by Rush Limnbaugh Dr Shiva is the real deal.  (In his teens, Shiva INVENTED EMAIL.) 4 degrees from MIT including PhD in Biological Engineering.