" During the survivors’ recovery period, the skin peeled off their faces, hands, feet, and genitals. Some of the men suffered from blown up, inflamed, semirotten testicles. One of the worst cases of this testicular infection appeared in a morgue attendant who had handled Marburg-infected bodies and who himself came down with Marburg, having caught it from the cadavers. The virus also lingered in the fluid inside the eyeballs of some victims for many months. No one knows why Marburg has a special affinity for the testicles and the eyes. One man infected his wife with Marburg through sexual intercourse. "

― Richard Preston , The Hot Zone: The Terrifying True Story of the Origins of the Ebola Virus