In summer of 2009, an exciting paper appeared by Prof. Al Legendre of Tennessee Veterinary School in the Journal of Feline Medicine and Surgery reporting cure of 3 cases of non-effusive FIP using Polyprenyl Immunostimulant from Sass & Sass. (catvirus.com)
It also offers herbal benefits in preventing viral infections due to immunostimulant effects according to the Huntington College of Health Sciences. (store.newwayherbs.com)