A man had acute onset of the disease with high body temperature and enlarged painful spleen. On the 10th day of the disease, roseola-papular rash appeared on the skin of his abdomen. On the 21st day, the patient died of peritonitis. In the ileum of the deceased, autopsy revealed deep ulcers in the area of necrotized groups of lymphoid follicles (Peyer's patches), one of which perforated; fibrinopurulent diffuse peritonitis is observed. What disease can be characterized by these signs?