Bacterial food poisoning: what to do if prevention fails.

The numerous etiologies of food poisoning make assessment of this disease a cultural, bacteriologic, chemical, gastronomic, and epidemiologic research project. Cautious investigation and study of etiologic possibilities are most stimulating intellectual exercises and obviously benefit the patient. Often, a case of food poisoning necessitates interaction with the local health department in search of the causative agent before other people are afflicted. A thorough knowledge of this field is essential to provide reasonable care to the millions "poisoned" by food annually.