An infectious disease caused by rickettsiae, characterized by a purple rash, headaches, fever, and usually delirium, and historically a cause of high mortality during wars and famines. There are several forms, transmitted by vectors such as lice, ticks, mites, and rat fleas.
A Tale of Two Typhus
how to get Typhus
Typhus is caused by one of two types of bacteria: Rickettsia typhi or Rickettsia prowazekii . Endemic typhus is uncommon in the United States. It is usually seen in areas where hygiene is poor and the temperature is cold. Endemic typhus is sometimes called "jail fever."