Joseph DeRisi quotes and aphorisms Joseph DeRisi Joseph DeRisi Joseph DeRisi ,, It turns out that viruses evolve from each other, like everything else. So if you look at the evolu... Joseph DeRisi Joseph DeRisi Joseph DeRisi ,, When I came to University of California, San Francisco to work on infectious disease, I looked arou... Joseph DeRisi ,, Surveying the way viruses have been discovered in the past, I came to the conclusion that I could u... Joseph DeRisi