asmi
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An epidemic of diarrheal disease occured in a school.30% students and few teachers have been ill and were asked to stay home.
What is the differential diagnosis?
Trace out the causative organism?
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| asmi
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NOTE: You might ask, about the symptoms other than diarrhoea.
The victims just had diarrhoea,fever,no vomtings.
HINT: they were served meals in school.
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| meg
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Did they get reheated rice? (B. Cereus)
Others could be rotavirus, campylobacter.
Also we should know the time since food was eaten, if it was less than 6 hours, we can think of Staph (but would have caused vomiting) and B.Cereus.
What is the answer?
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| asmi
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Its a q from virology kaplan's.They didn't mentioned about the duration,nor the other symptoms.In fact I have added myself fever and no vomittings in the question which i posted.
the answer is norwalk virus.
Though we can consider rotaviurs too, but they gave it as norwalk virus. :roll:
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| meg
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there is something about these two (Norwalk and Rota)... probably something about season or age of patient... anyone know?
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| asmi
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norwalk famous for causing GE in school age childrens.
rota virus is known for causing prolonged diarrhoea in childrens < 2 yrs age and its the major cause of infant mortality worldwide.
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| meg
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thanks Asmi, and Rota is more in winter in US (First aid)
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| asmi
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thanks meg 
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