Let's not forget:<p>a) There still <i>is</i> a plague, and,<p>b) It mostly affects heterosexual people:<p><a href="https://en.wikipedia.org/wiki/HIV/AIDS#Sexual" rel="nofollow">https://en.wikipedia.org/wiki/HIV/AIDS#Sexual</a><p><i>Globally, the most common mode of HIV transmission is via sexual contacts between people of the opposite sex;[12]</i>