The Moral Virologist
It was first published in September 1990 in "Pulphouse Magazine" , and subsequently republished in 1991's "The Best of Pulphouse" , in the Summer 1993 issue of "Eidolon" magazine , and in Egan's 1995 collection "Axiomatic" . 
<triplet> Axiomatic <subj> 1995 <obj> publication date