Outbreaks where food workers have been implicated in the spread of foodborne disease. Part 5. Sources of contamination and pathogen excretion from infected persons.

摘要: In this article, the fifth in a series reviewing role of food workers foodborne outbreaks, background information on routes infection for is considered. Contamination most frequently occurs via fecal-oral route, when pathogens are present feces ill, convalescent, or otherwise colonized persons. It difficult managers operations to identify who may be excreting pathogens, even these report their illnesses, because can shed during prodrome phase illness long-term excretors asymptomatic carriers. Some convalescing individuals excreted Salmonella 102 days. Exclusion policies based stool testing have been evaluated but currently not considered effective reducing risk enteric disease. A worker exhibit obvious signs illness, such as vomiting, if ill immediately leaves work environment, residual vomitus contaminate food, contact surfaces, a...