P. tuphl is one of three species of the genus Rickettsia that can cause disease in humans. The other two species are R. buris (Bismarck disease) and R. brazilensis (Chamaris, San Leopoldo diseases). All types can occur as febrile illnesses with or without severe dermatitis and crusting of the skin. In the first case, severe fever, lack of appetite, insomnia, headaches, pain in bones and muscles are noted. In severe cases of the disease, jaundice and hemorrhages may appear, and in cases of a generalized process, liver damage is observed with signs of jaundice and massive gastrointestinal bleeding. The duration of the febrile period is 2-4 weeks, after which complete recovery occurs. The second form includes short-term fever, accompanied by significant headaches, vomiting, pain along the nerve trunks and tendons; Signs of skin damage include single dense exanthemas of a brownish-red color; possible fever, liver enlargement, angioreactive syndrome. Man recovered