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What is Enteric fever is caused by ? and explain in detail?
Ans. is 'd' i.e., All of the above Enteric fever The term enteric fever includes typhoid fever caused by S.typhi and paratyphoid fever caused by S. paratyphi A, B and C. The ability to resist intracellular killing and to multiply with in these cells is a measure of virulence of salmonella. The incubation period for S. typhi ranges from 3 to 21 days. Most prominant symptom of this systemic infection is prolonged fever. (Step-ladder pyrexia). Early physical findings are - Rash (rose spot), Relative bradycardia, Hepatosplenomegaly, Epistaxis. Complications occur in 3rd and 4th weeks - Intestinal perforation and GI hemorrhage are the two most common complications.