acute infectious fever, 1785, from Modern Latin (De Sauvages, 1759), from Greek typhos "stupor caused by fever," literally "smoke," from typhein "to smoke," related to typhos "blind," typhon "whirlwind," ultimately origin unknown. The disease so called from the prostration that it causes.
typhus ty·phus (tī'fəs)
n.
Any of several forms of infectious disease caused by Rickettsia, especially those transmitted by fleas, lice, or mites, and characterized generally by severe headache, sustained high fever, depression, delirium, and the eruption of red rashes on the skin. Also called camp fever, prison fever.
A group of acute and contagious diseases, often fatal, marked by severe headaches and high fever. Typhus is transmitted to humans by fleas, lice, or mites that are infected with the microorganism that causes the disease.