Food Borne illnesses
Since food is biological in nature and is capable of supplying consumers with nutrition, it is equally capable of supporting the growth of contaminating microorganisms. Two types of bacterial food borne disease are recognized: intoxications and infections.
Food borne bacterial intoxication is caused by the ingestion of food containing preformed bacterial toxin resulting from bacterial growth in food.
Food borne infection, on the other hand, is caused by the ingestion of food containing viable bacteria which then grow and establish themselves in host, resulting in illness. Some pathogens occur in normal, healthy animals and in some instances man. Certain microorganisms are thus ubiquitous in nature, occurring on soil and vegetation, in animal wastes, and on animal carcasses. Human skin surfaces and nasal passages harbor staphylococci. Water supply may contain pathogens when contaminated with fecal mater.
Coastal waters in particularly may also naturally harbor recognized as pathogen Vibrio vulnificus. It is thus obvious how difficult to prevent one or more pathogens from entering raw foods.
The most common symptoms associated with food borne illness is diarrhea. Depending on the pathogenicity of the organisms and the susceptibility or health status of the host, the illness may be acute and self-limiting, or it may lead to other serious chronic and life threatening sequellae. Food borne illnesses are more likely to be life-threatening for the immune compromised, the aged , and those individuals debilitated by underlying health problems such as cirrhosis, hepatitis, hemachromatosis. The increase number of sporadic outbreaks of hemorrhagic colitis and the sequella hemolytic uremic syndrome has caused health officials to speculate that Escherichia coli serotypes may be the source of many diarrheal disease of unknown etiology. Food borne disease however, may not necessarily manifest itself in diarrheal illness but may illicit other symptoms such as abdominal cramps or pseudo appendicitis. Although a number of unusual outbreaks related to processed foods have occurred on the past few years , the majority of food borne illnesses are attributable to improper handling , cooking , and syirage practices on food service operations pr in the home.
Food Borne illnesses
