The spotted fever by Rickettsia prowazeki the virus causes. The contagion is via head lice, clothes lice, ticks, mites or fleas.
The incubation period of the spotted fever is 10-14 days. When the typhus fever patients have symptoms such as itching at the sting site with a blue black color, high fever, chills, headaches, bloated red face, disturbances of consciousness and limb pain.
The disease occurs mainly in the tropics on. The high fever is obviously dangerous.

Typhus incubation period: 10-14 days.