Within a 3-day period at a large hospital 5 patients undergoing hemodialysis developed fever and chills. three gram negative bacilli, pseudomonas aeruginosa, escherchia coli, and proteus vulgaris were isolated from 3 of the patients and from the dialysis system. why might all three bacteria cause the same symptoms?

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04-11-2017
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Within a 3-day period at a large hospital 5 patients undergoing hemodialysis developed fever and chills. three gram negative bacilli, pseudomonas aeruginosa, escherchia coli, and proteus vulgaris were isolated from 3 of the patients and from the dialysis system. why might all three bacteria cause the same symptoms?

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318896 318896 · Answer 1 · 2017-11-09T17:57:15+01:00

All three bacterial species are gram negative. Gram negative bacteria tend to survive better in Internal cavities of the body as they do not have thick cell walls like gram positive bacteria, so tend to "dry out" in dryer conditions like on the skin.
So I would say the urinary tract provides them with a "good" living environment to thrieve and cause infection. They are all opportunistic pathogens. They are also all found naturally in nature in soil and plant roots so maybe this has something to do with it?