Salmonella Salmonellosis Is an Infection With Bacteria Essay

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Salmonella

Salmonellosis is an infection with bacteria called Salmonella. Salmonella germs have been known to cause illness for over 100 years. The bacteria were first isolated in 1885 by Theobald Smith from pigs. The genus name was derived from the last name of D.E. Salmon, who was Smith's director. In 1896 Salmonella infection was diagnosed in humans. Salmonella is the genus name for over 2,500 types of bacteria. Though each type is closely related each is distinctly identifiable by its specific protein. Salmonella bacteria are known to cause disease in humans, animals, and birds throughout the world. The major diseases caused by Salmonella are gastroenteritis and typhoid fever (Davis, 2010).

According to the CDC (2010) approximately 40,000 cases of salmonellosis are reported in the United States each year. Since many milder cases are not diagnosed or reported, some estimate that the actual number of infections may be thirty or more times greater. Salmonella serotype Typhimurium and Salmonella serotype Enteritidis are the most common in the United States. Salmonellosis is more common in the summer than winter. It is estimated that each year approximately 400 persons die with acute Salmonellosis (CDC, 2010).

Transmittal of Salmonella

Salmonellosis is spread to people by ingestion of Salmonella bacteria through contaminated food. Salmonella can contaminate almost any food type; however outbreaks of the disease have involved eggs, raw meat, egg products, fresh vegetables, cereal, pistachio nuts, tomatoes, and contaminated water.

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Contamination can come from animal or human feces that contact the food during processing or harvesting. Potential direct sources of Salmonella are pets, such as turtles, dogs, cats, most farm animals, and humans that are infected or are carriers of the organisms. Although typhoid and paratyphoid fevers can be transmitted by the same methods as salmonellosis, their most frequent manner of transmission is by the feces of infected people contaminating the water or food source of uninfected people (Davis, 2010).

Most Recent Outbreak of Salmonella

In is January of 2012 the Centers for Disease Control (CDC) along with public health officials from multiple states and the U.S. Food and Drug Administration (FDA) investigated a multistate outbreak of Salmonella Enteritidis infections which were associated with eating food from a Mexican-style fast food restaurant chain. These investigative efforts were unable to determine the specific food associated with illness, however indications led investigators to conclude that contamination likely occurred before the produce reached the restaurant chain.

The CDC report points out that a widely distributed food product might cause illnesses in a specific region and across the United States. In this instance, as of January 12, 2012, a total of 68 individuals infected with the outbreak strain of Salmonella Enteritidis had been reported from 10 states. The number of ill persons identified in each state with….....

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