" If you believe the many biographies of great men and women, none of them ever had syphilis. Which would be a remarkable stroke of luck on their part. Since its discovery in Barcelona in 1493—supposedly brought back from the New World—the sexually transmitted disease just mowed down Europeans. Its effects were so devastating that some regard it as an equal trade for the measles and the smallpox Europeans exported to the Americas. "

― Jennifer Wright , Get Well Soon: History's Worst Plagues and the Heroes Who Fought Them