" Your mouth bleeds, and you bleed around your teeth, and you may have hemorrhages from the salivary glands—literally every opening in the body bleeds, no matter how small. The surface of the tongue turns brilliant red and then sloughs off, and is swallowed or spat out. It is said to be extraordinarily painful to lose the surface of one’s tongue. "

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