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QUESTION

A 33 year old man was presented to the local urgent care complaining of vomiting, diarrhea and stomach cramping and fever.

A 33 year old man was presented to the local urgent care complaining of vomiting, diarrhea and stomach cramping and fever. The symptoms were present for 4 days in total and began with stomach cramping and diarrhea. The patient was dehydrated upon presentation and had a low grade fever of 100.2 F. The patient was hooked up to IV fluids to alleviate the dehydration and a history was taken by the attending nurse. In the past week before the symptoms began, the patient worked a few days and had the weekend off. On the weekend he didn't do anything out of the ordinary. The patient works at a restaurant as a line cook but was the only apparent ill person from the establishment. He has contact with cats and dogs at his residence (along with a litter of 6 week old puppies). and some laying hens. He was ding a couple of projects over the weekend that involved various tools to be used to build some new nesting boxes for the hens. A stool sample was taken and revealed a Gram negative curved shaped rod bacterium. This organism was shown to be a highly motile(corkscrew motility) microaerophile.

  1. What is the most likely causative agent and what disease does he have ?
  2. Explain two test you could do to give a positive identification of the organism.
  3. Based on the history provided, how do you think the patient became infected with this organism? Explain
  4. What is the infectious dose of this organism ?
  5. What is the likelihood that this individual will become infected again?
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