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      Question

      Which of the following statement is properly defining

      Food Infection 
      A The microorganisms itself ingested with food and produce toxins either in a food or in host`s body. The toxin cause illness. Correct Answer Incorrect Answer
      B The microorganisms itself ingested with food and the person already has cold and fever Correct Answer Incorrect Answer
      C The microorganisms itself ingested with food, establishes itself in the host`s body and multiplies to significant enough numbers to cause illness. Correct Answer Incorrect Answer
      D Both a & c Correct Answer Incorrect Answer

      Solution

      Ø  Food infection: §  If disease is caused by ingestion of viable microorganisms in food, it is called  food infection. §  In food infection microorganisms multiplies in intestinal tracts and cause disease. §  There are two types of food infection i.e. invasive type and enterotoxigenic type. §  In  enterotoxigenic type of food infection,  microorganisms produce enterotoxin in intestinal tract that cause disease. E.g. food infection caused by EPEC, vibrio cholera. §  In  invasive type of food infection  microorganisms cause disease by invading through intestinal tract. E.g. food infection caused by Shigella, EIEC.

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