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Salmonella

    Salmonella Editor's Picks

    • How Is Salmonella Spread?

      Salmonella is a disease-causing bacteria commonly found in animals, humans and other carriers, including food. Salmanella obtains its energy source from organic compounds, and are thus a chemoorganotroph. Salmonella can survive in a non-living entity for short periods of time, particularly in wet or moist environments. more »

    • Salmonella History

      The U.S. Department of Agriculture reports that salmonella is the leading cause of foodborne illness in the United States. The salmonella infection, referred to as salmonellosis, is characterized by a fever that averages 104 degrees. Salmonellosis also affects the gastrointestinal tract, resulting in an inflammation of the intestines... more »

    • Salmonella Diseases

      Salmonella is a bacteria that causes disease in humans. It is most commonly known for causing pain and discomfort in the abdomen. Patients complain of diarrhea, nausea and vomiting. Salmonella is spread from fecal matter and inappropriate hygiene practices. Most people are able to recover with little medical treatment. more »

    • How to Avoid Salmonella Poisoning

      Headlines have been screaming about the recent salmonella outbreak found in various tomatoes in the United States. While this occurrence is certainly concerning, it should be noted that infection with salmonella (commonly referred to as "food poisoning") is a constant problem that always requires careful diligence to prevent... more »

    • Diseases Caused by Chickens

      Chickens can pass disease to humans. In particular, the transmission of avian flu and bacteria are of great concern. Live chickens can pass avian flu to humans and bacterial infections can be transmitted through contact with the birds. Staph infections and food poisoning can be contracted if proper food handling procedures are not... more »

    Salmonella Quick Guides

    • Gastroenteritis Guide

      If your stomach is feeling a little queasy, you could have a stomach virus coming on. Check...

    Salmonella Articles

    • What Is Salmonella?

      More than 40,000 people are affected by salmonella each year in the United States. However, the number of affected people may be much larger since... more »

    • What Are the Causes of Salmonella?

      People that have been contaminated by salmonella usually have abdominal cramps, fever and diarrhea. The onset of these symptoms is 12 to 72 hours... more »

    • Causes of Salmonella

      Salmonellosis is an infection caused by the bacterium salmonella. People infected with salmonella have severe diarrhea and stomach cramps within... more »

    • About Salmonella

      Salmonella is an illness which puts its victims out of commission for several days. While the victim can generally recover on his own, there may... more »

    • How to Diagnose Salmonella

      Salmonella is a digestive infection. There is a group of bacteria that cause salmonella. One type even causes typhoid fever, an all too common... more »

    Wikipedia

    Salmonella



    Salmonella is a genus of rod-shaped, Gram-negative, non-spore forming, predominantly motile enterobacteria with diameters around 0.7 to 1.5 µm, lengths from 2 to 5 µm, and flagella which project in all directions (i.e. peritrichous). They are chemoorganotrophs, obtaining their energy from oxidation and reduction reactions using organic sources and are facultative anaerobes; most species produce hydrogen sulfide,Baron> which can readily be detected by growing them on media containing ferrous sulfate, such as TSI. Most isolates exist in two phases; phase I is the motile phase and phase II the non-motile phase. Cultures that are non-motile upon primary culture may be switched to the motile phase using a Cragie tube.

    Salmonella are closely related to the Escherichia genus and are found worldwide in warm- and cold-blooded animals, in humans, and in nonliving habitats. They cause illnesses in humans and many animals, such as typhoid fever, paratyphoid fever, and the foodborne illness salmonellosis.Sherris>

    Salmonella is properly pronounced voicing the initial "l," since it is named for pathologist D.E. Salmon, not the salmon fish.

    Salmonella as disease-causing agent

    Salmonella infections are zoonotic; they can be transmitted by humans to animals and vice versa. Infection via food is also possible. A distinction is made between enteritis salmonella and typhoid/paratyphoid salmonella, whereby the latter because of a special virulence factor and a capsule protein (virulence antigen) can cause serious illness, such as Salmonella enterica subsp. enterica Serovar Typhi, or Salmonella typhi). Salmonella typhi is adapted to humans and does not occur in animals.

    Enteritis Salmonella (e.g., Salmonella enterica subsp. enterica serovar Enteritidis) can cause diarrhea, which usually does not require antibiotic treatment. However, people at risk such as infants, small children, the elderly, HIV patients and those with suppress read more at » http://en.wikipedia.org/wiki/Salmonella

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