From How to Be a Retronaut, a fine gallery of scanned syphilis/gonorreah posters from the last days of each disease's reign of terror, before widespread use of antibiotics. If you're ever in Philadelphia and want to get a sense of how scary syphilis must have been in its day, head on over to the Mutter Museum, an exhibit of pathological curiosities, and have a gander at the cases of syphilitic skulls. I still get nightmares. Syphilis Posters, 1940s