“…Adenovirus 5 is a linear, double stranded DNA virus which subverts the host cell's replicative system to reproduce itself (Green et al, 1971), and which replicates in both proliferating and non-proliferating cells (Philipson & Linberg, 1974). This and other viruses have been used extensively as probes for DNA repair (Defais et al, 1983) following treatment either with chemical agents (Day et al, 1980), U.V.…”