Typhus disease. Myoarditis
**Typhus (previously called typhus in world practice) is one of the most dangerous infections transmitted from person to person. The so-called “lesser plague” is capable of affecting all organs of the human body, but to this day scientists continue to consider the human body only as a carrier of infection, the role of which is obvious in triggering the immune response.** At each stage of the development of the infection, the content of IgM increases, and in parallel – toxicosis increases, including nephrotoxicity. The toxic effect in any form is manifested in the reaction of the circulatory system. With the development of acute renal failure, hyperemia of the kidneys occurs, the boundary between the cortical and medulla layers of the kidney disappears. The appearance of the renal vessels is distorted - the walls become wavy, and individual characteristics of volume and peripheral resistance change. An important characteristic of the histological picture of the disease is the morphological picture of the myocardium, changes in which accumulate even in the absence