Typhoid fever

Typhoid fever is an acute intestinal infectious disease caused by typhoid bacteria, also known as enteric fever. The English name is typhoid fever; enteric fever; enteric fever. The basic pathological features are continuous bacteremia and toxemia, proliferative response of the mononuclear phagocytic system, and hyperplasia, swelling, necrosis, and ulceration of lymphatic tissues in the lower ileum. Typical clinical manifestations include persistent high fever, systemic toxic symptoms and gastrointestinal symptoms, relatively slow pulses, roseola, hepatosplenomegaly, and leukopenia. Intestinal bleeding and intestinal perforation are the most serious serious complications that may occur.