CASE HISTORY
In June,Mitch,a 47-year-old resident of Oklahoma,was admitted to the hospital with rapid onset of progressive dizziness,blurred vision,slurred speech,difficulty swallowing,and nausea.Findings on examination included absence of fever,drooping eyelids,facial paralysis,and impaired gag reflex.He developed breathing difficulties and required mechanical ventilation.The patient reported that during the 24 hours before onset of symptoms,he had eaten home-canned green beans and a stew containing roast beef and potatoes.Analysis of the patient's stool detected botulinum type a toxin,but no Clostridium botulinum organisms were found.The patient was hospitalized for 49 days,including 42 days on mechanical ventilation,before being discharged.
What are the risk factors for botulism like that in Mitch's case? How can this disease be prevented?

Question

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The Answer of CASE HISTORY
In June,Mitch,a 47-year-old resident of Oklahoma,was admitted to the hospital with rapid onset of progressive dizziness,blurred vision,slurred speech,difficulty swallowing,and nausea.Findings on examination included absence of fever,drooping eyelids,facial paralysis,and impaired gag reflex.He developed breathing difficulties and required mechanical ventilation.The patient reported that during the 24 hours before onset of symptoms,he had eaten home-canned green beans and a stew containing roast beef and potatoes.Analysis of the patient's stool detected botulinum type a toxin,but no Clostridium botulinum organisms were found.The patient was hospitalized for 49 days,including 42 days on mechanical ventilation,before being discharged.
What are the risk factors for botulism like that in Mitch's case? How can this disease be prevented?

CASE HISTORY In June,Mitch,a 47-Year-Old Resident of Oklahoma,was Admitted to the Hospital