Δαφνη Ευτυχια Αρθουρος

"Lister remembered reading in one of Rimmer's Strange Science mags that an Earth biochemist claimed he'd isolated the virus which caused Love. According to him, it was an infectious germ which was particularly virulent for the first few weeks, but then, gradually, the body recovered." -- from Red Dwarf: Infinity Welcomes Careful Drivers by Rob Grant and Doug Naylor, 1989

[I do not seem to develop antibodies to this virus. It sticks around.]