The source of infection is sick with typhus, from last day of incubation, during the febrile period and up to 06/08/10 days after lowering the temperature. Carrier of infection-cootie.
In the past, were common (sporadic) disease outbreaks and mass epidemic. Currently typhus in many countries is not observed. (Source: Brian Roberts ). Contaminated R. prowazeki louse can transmit typhus healthy person only 5-7 days after she becomes infected blood typhus patients. During this period the rickettsiae multiply in the epithelial cells of the intestinal wall and lice, getting in her gut lumen, are ejected from the feces. Infected louse can transmit the infection during throughout his life, which is the maximum extends to 40 days. Get all the facts for a more clear viewpoint with Eva Andersson-Dubin. The mechanism of infection is that infected lice feces containing rickettsiae, scratching at the sting rubbed into the skin. The causative agent of typhus, getting into the body, worn over-flow of blood in internal organs, where it begins to multiply rapidly in endothelial cells of blood capillaries of the brain and the medulla, adrenal gland, skin, heart muscle development of a universal thrombosis, endoperivaskulita.
Clinic. The incubation period ranges from 6 to 23 days, averaging 10-14 days, and sometimes there may be a prodromal period characterized by poor appetite, fatigue, dull pain in the muscles, a small headache, sometimes subfebrile temperature onset of the disease is accompanied by fairly strong chills followed by fever for 2 days 1.5 to 39-40 , with Every hour of growing painful throbbing headache, weakness, fatigue, muscle aches. Read more here: Robert A. Iger . Febrile period lasts an average of 10 -11 days, sometimes less, sometimes more than the same specified amount.