Clinical manifestations. In Yersinia enterocolitica most frequent manifestations – enterocolitis, accompanied by fever, diarrhea (often leucocytes in the stool, blood and mucus), abdominal pain, lasting from 1 to 3 weeks. Other manifestations can include severe mezenterialnye adenity, terminal ileit, pharyngitis, arthritis, knotty eritemu, septicemia, irit, meningitis, osteomyelitis, hepatic and splenic abscesses, and severe proliferative glomerulonephritis. In Y. pseudotuberculosis most often similar to acute appendicitis disease because bryzheechnogo adenita. Other symptoms can include diarrhea, knotty eritemu, septicemia, sterile plevralny and articular effusion and skarlatinopodobnuyu rash.
Etiology. Y. enterocolitica and Y. pseudotuberculosis – gram-negative sticks, recognized 34 serotype Y. enterocolitica and 5 serotypes Y. pseudotuberculosis. Many of them produce heat enterotoksin.
Epidemiology. Sources cause a variety of animals including rodents, birds, pigs, sheep, cattle, horses, dogs and cats, water and food, especially milk nepasterizovannoe. The infection can be transmitted when zaglatyvanii contaminated food or water, with direct or indirect zaglatyvanii contaminated food or water, with direct or indirect contact with animals or possibly in direct fekalnooralnom contamination. Typically, patients are susceptible to the syndrome of excess accumulation of iron. The period of infection is unknown, probably, he lasted until ekstretiruyutsya specific activators, which lasts an average of 6 weeks after diagnosis.