ADENOVIRUSES WERE FIRST DISCOVERED half a century ago by Rowe and colleagues, who were trying to culture adenoid tissue in the laboratory (Rowe et al., 1953). Since that time, nonhuman adenoviruses have been isolated from a number of species including chimpanzees, pig, mouse, and dog, as well as other mammalian and avian species (Shenk, 1996). Although human adenoviruses cause significant level...