"AIDS brings together two powerful metaphors about illness. First, AIDS develops further the theme (seen earlier in cancer) of disease as invader: the enemy invades and destroys you from within. Thus, AIDS strengthens the use of military metaphors in medicine. The war against cancer is reincarnated as a war against AIDS. Secondly, because AIDS is a sexually transmitted disease, it also evokes the theme of plague-as-punishment. Sontag's project in...