4/16/2023 0 Comments Mediacenter 2007Symptoms of salmonellosis are relatively mild and patients will make a recovery without specific treatment in most cases. The onset of disease symptoms occurs 6–72 hours (usually 12–36 hours) after ingestion of Salmonella, and illness lasts 2–7 days. It is usually characterized by acute onset of fever, abdominal pain, diarrhoea, nausea and sometimes vomiting. Salmonellosis is a disease caused by the bacteria Salmonella. This group features Salmonella enterica serotype Enteritidis and Salmonella enterica serotype Typhimurium, the two most important serotypes of Salmonella transmitted from animals to humans in most parts of the world. Typically, such serotypes cause gastroenteritis, which is often uncomplicated and does not need treatment, but disease can be severe in the young, the elderly, and patients with weakened immunity. Most serotypes, however, are present in a wide range of hosts. When these particular serotypes cause disease in humans, it is often invasive and can be life-threatening. While all serotypes can cause disease in humans, a few are host-specific and can reside in only one or a few animal species: for example, Salmonella enterica serotype Dublin in cattle and Salmonella enterica serotype Choleraesuis in pigs. Salmonella is a ubiquitous and hardy bacteria that can survive several weeks in a dry environment and several months in water. Within 2 species, Salmonella bongori and Salmonella enterica, over 2500 different serotypes or serovars have been identified to date. Salmonella is a gram negative rods genus belonging to the Enterobacteriaceae family. Salmonella is 1 of the 4 key global causes of diarrhoeal diseases. Diarrhoeal diseases are the most common illnesses resulting from unsafe food, 550 million people falling ill each year, including 220 million children under the age of 5 years. Foodborne diseases can be severe, especially for young children. The burden of foodborne diseases is substantial: every year almost 1 in 10 people fall ill and 33 million of healthy life years are lost.
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