A food-borne outbreak of streptococcal pharyngitis.

Background: Food-borne pharyngitis outbreaks causing substantial morbidity have been documented.

Objectives: To investigate an outbreak of food-borne Streptococcus beta hemolyticus group A pharyngitis among employees of a hitech company.

Methods: We received a report on an unusually high rate of morbidity among employees of a company in September 2003.