>Hi, my "understanding" was that Salk used killed viruses while Sabin used >live viruses, that Salk was first, and that both vaccines are of use for >different purposes (protecting individuals or populations). Also that >Enders, the guy really responsible for the vaccine (by growing polio in a >tube) didn't get any popular recognition. > upps got it backwards---but the point is still valid jaa -- Department of Biological Sciences Palumbi Lab Hopkins Marine Station of Stanford University Blinks Oceanview Blvd Pacific Grove, Ca 93950 jalipaz at stanford.edu phone: 831-655-6210 Often statistics are used as drunken men use lampposts... for support rather than illumination. Albert Einstein