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In simple words, salmonella is a type of bacteria. However, there are many serotypes of the bacteria, and the one that frequently causes food poisoning in humans is referred to as non-typhoidal salmonella. This bacterium is generally found in the gut of humans as well as other animals, like chickens, cows and reptiles. A person gets the non-typhoidal salmonella infection by ingesting food or water that has been contaminated by feces of infected animals or humans. More...
Does Freezing Kill Salmonella ?
Salmonella is a bacterium, which lives on our intestines and can cause food poisoning when we eat contaminated food. Salmonella or any other bacteria do not die when frozen. The bacteria may become less effective because some of their cells die. However, the main part of the bacteria continues to live even if it is frozen. For example, frozen meat products can contain the bacteria and once they are defrosted, the bacteria will continue to grow. The risk of salmonella infection does not decrease in such cases. More...
Under normal circumstances, the salmonella bacteria are naturally present in the intestinal tract of humans and animals. The bacteria are passed out along with the feces, when these feces come in contact with meat, fruits, vegetables and water, and the same is ingested, it can result in salmonella. Therefore, salmonella is contagious. More...
- Causes Of Salmonella
- How Do Eggs Get Salmonella ?
- Virulence Factors Of Salmonella
- How Salmonella Is Transmitted ?
When a person gets salmonella infection, no treatment is necessary as the symptoms abate on their own after a few days. But, if the infection is severe, there is risk of complications and hence, salmonella treatment could be necessary. A mild case of salmonella usually gets better between 5 to 7 days without any medication. But, the person's bowel movements may take months to become normal. More...
- How Do You Get Rid Of Salmonella ?
- Is There Live Salmonella Vaccines ?
- How To Treat Salmonella Poisoning ?
The salmonella bacteria capable of causing infections in humans are known as non-typhoidal salmonella. Chickens, reptiles and cows are the carriers of these bacteria. Humans too carry a rare type of salmonella, known as typhoidal salmonella. The main symptoms caused by this bacterium include pain in the abdomen, high fever, headache, lethargy, rash on the skin, malaise, delirium and constipation. This bacterium is more prevalent in developing countries, which lack proper sanitation and methods to dispose human waste. More...
The first strain of salmonella was discovered by Daniel Salmon in the year 1885. The strain was named after him, Salmonella choleraesuis. Since then, more than 2,500 strains of the bacteria have been discovered. Salmonella bacteria are found in animals that provide food for humans, like poultry and pigs. Even ruminants are known to be carriers of salmonella bacteria. More...
Pathologists and bacteriologists can check the presence of salmonella as many of the bacterial strains produce hydrogen sulfide, which can be detected by growing the bacteria in a ferrous sulfate growing medium. The bacteria have a similar look and behavior to the bacteria belonging to the Escherichia genus. Salmonella is present in the normal flora of cold blooded as well as warm blooded animals, and this also includes humans. In addition, in the environment, the bacteria can live for very long without, regardless of the climatic conditions.More..
In order to prevent getting salmonella infection, proper preparation and handling measures should be followed. Cooking food to the right temperature can help kill the bacterium and prevent the infection from developing. Bacteria generally grow at a rapid speed between 40 degrees Fahrenheit and 140 degrees Fahrenheit. Hence, cooking food over this temperature can help kill salmonella. The same is also true when keeping the food warm.