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Old 07-22-2012
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Microbiology New Mexico Farmer Died of Respiratory Infection!

A 31-year-old farmer in New Mexico is brought to the emergency department in an unconscious state. His wife says that he was in good health until 3 days ago, when he suffered a flu-like illness that was severe enough to keep him from completing his job of cleaning out an old barn. He is hypotensive. He has a decreased serum albumin level, an increased white blood cell count with a left shift, band forms, and a platelet count that continues to fall. A chest radiograph shows interstitial infiltrate. Within 24 hours, the patient dies. An autopsy shows pulmonary edema. Which of the following agents is the most likely cause of the disease?

a) Brucella suis
b)
Coxiella burnetii
c)
Hantavirus
d) Legionella pneumophila
e) Nocardia asteroides
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Old 07-22-2012
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Hantavirus
Lung manifestation
Southwest united states
Cleaning old barn. Most probably have mice. Mode of transmission deer mice.
Rapid review pg no. 285
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Old 07-22-2012
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Good lord what a question
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Old 07-22-2012
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Didnt know/forgot the barn cleaning association. thanks casandra
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Old 07-22-2012
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hanta virus
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Old 07-23-2012
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Default correct answer :)

Correct answer is C) Hantavirus

Two hints:
1) Southwestern origins
2) barn -> mice -> deer mice feces -> Hantavirus

The official explanation:
The clinical, laboratory, and x-ray findings are consistent with the diagnosis of hantavirus pulmonary syndrome. This disease is caused by a hantavirus, whose reservoirs are rodent feces and urine.
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