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Under a magnification of 5000X, this colorized scanning electron micrograph (SEM) revealed the presence of numbers of clustered Gram-negative Salmonella typhimurium bacteria that were isolated from what was a pure culture specimen. See PHIL 10968 for a black and white version of this image.What sort of germ is Salmonella?Salmonella is actually a group of bacteria that can cause diarrheal illness in humans. They are microscopic living creatures that pass from the feces of people or animals to other people or other animals. There are many different kinds of Salmonella bacteria. Salmonella serotype Typhimurium and Salmonella serotype Enteritidis are the most common in the United States. Salmonella germs have been known to cause illness for over 100 years. They were discovered by an American scientist named Salmon, for whom they are named.Created: 2009
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This photograph depicts the colonial growth pattern displayed by Salmonella typhimurium bacteria cultured on a Hektoen enteric (HE) agar medium; S. typhimurium colonies grown on HE agar are blue-green in color, for this organism is a lactose non-fermenter, but it does produce hydrogen sulfide, (H2S), therefore there can be black-colored deposits present.Created: 1976
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Under a very high magnification of 25000X, this scanning electron micrograph (SEM) revealed the presence of a single Gram-negative Salmonella typhimurium bacterium, which was imaged right at the point where it was undergoing the process of cell division, resulting in the formation of two separate organisms. This dividing bacterium had been isolated from a pure culture. See PHIL 10995 for a colorized version of this image.Created: 2008
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Under a very high magnification of 15000X, this colorized scanning electron micrograph (SEM) revealed the presence of a single Gram-negative Salmonella typhimurium bacterium, which was imaged right at the point where it was undergoing the process of cell division, resulting in the formation of two separate organisms. This dividing bacterium had been isolated from a pure culture. See PHIL 10992 for a black and white version of this image.Created:
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Under a very high magnification of 15000X, this scanning electron micrograph (SEM) revealed the presence of a single Gram-negative Salmonella typhimurium bacterium, which was imaged right at the point where it was undergoing the process of cell division, resulting in the formation of two separate organisms. This dividing bacterium had been isolated from a pure culture. See PHIL 10993 for a colorized version of this image.Created: 2009
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Under a very high magnification of 20000X, this scanning electron micrograph (SEM) revealed the presence of a single Gram-negative Salmonella typhimurium bacterium that had been isolated from a pure culture. See PHIL 10991 for a colorized version of this image.What sort of germ is Salmonella?Salmonella is actually a group of bacteria that can cause diarrheal illness in humans. They are microscopic living creatures that pass from the feces of people or animals to other people or other animals. There are many different kinds of Salmonella bacteria. Salmonella serotype Typhimurium and Salmonella serotype Enteritidis are the most common in the United States. Salmonella germs have been known to cause illness for over 100 years. They were discovered by an American scientist named Salmon, for whom they are named.Created: 2009
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Under a moderately-high magnification of 8000X, this scanning electron micrograph (SEM) revealed the presence of a grouping of Gram-negative Salmonella typhimurium bacteria that had been isolated from a pure culture. See PHIL 10989 for a colorized version of this image.How do people catch Salmonella?Created: 2009
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Under a moderately-high magnification of 8000X, this scanning electron micrograph (SEM) revealed the presence of a small grouping of Gram-negative Salmonella typhimurium bacteria that had been isolated from a pure culture. See PHIL 10987 for a colorized version of this image.How do people catch Salmonella?Created: 2008
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Under a magnification of 2500X, this scanning electron micrograph (SEM) revealed the presence of a large number of Gram-negative Salmonella typhimurium bacteria that had been isolated from a pure culture. See PHIL 10985 for a colorized version of this image.How do people catch Salmonella?What can I do to prevent salmonellosis?- Cook poultry, ground beef, and eggs thoroughly. Do not eat or drink foods containing raw eggs, or raw (unpasteurized) milk.- If you are served undercooked meat, poultry or eggs in a restaurant, don't hesitate to send it back to the kitchen for further cooking.- Wash hands, kitchen work surfaces, and utensils with soap and water immediately after they have been in contact with raw meat or poultry.- Be particularly careful with foods prepared for infants, the elderly, and the immunocompromised.Created: 2009
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Under a very high magnification of 12000X, this scanning electron micrograph (SEM) revealed the presence of a large grouping of Gram-negative Salmonella typhimurium bacteria that had been isolated from a pure culture. See PHIL 10983 for a colorized version of this image.How do people catch Salmonella?Salmonella live in the intestinal tracts of humans and other animals, including birds. Salmonella are usually transmitted to humans by eating foods contaminated with animal feces. Contaminated foods usually look and smell normal. Contaminated foods are often of animal origin, such as beef, poultry, milk, or eggs, but any food, including vegetables, may become contaminated. Thorough cooking kills Salmonella. Food may also become contaminated by the hands of an infected food handler who did not wash hands with soap after using the bathroom.Created: 2009
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Under a moderately-high magnification of 8000X, this scanning electron micrograph (SEM) revealed the presence of a large grouping of Gram-negative Salmonella typhimurium bacteria that had been isolated from a pure culture. See PHIL 10981 for a colorized version of this image. How can Salmonella infections be treated??Salmonella infections usually resolve in 5-7 days and often do not require treatment other than oral fluids. Persons with severe diarrhea may require rehydration with intravenous fluids. Antibiotics, such as ampicillin, trimethoprim-sulfamethoxazole, or ciprofloxacin, are not usually necessary unless the infection spreads from the intestines. Some Salmonella bacteria have become resistant to antibiotics, largely as a result of the use of antibiotics to promote the growth of food animals.Created: 2009
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Under a moderately-high magnification of 5000X, this scanning electron micrograph (SEM) revealed the presence of a large grouping of Gram-negative Salmonella typhimurium bacteria, that had been isolated from a pure culture. See PHIL 10979 for a colorized version of this image.How do people catch Salmonella??Salmonella live in the intestinal tracts of humans and other animals, including birds. Salmonella are usually transmitted to humans by eating foods contaminated with animal feces. Contaminated foods usually look and smell normal. Contaminated foods are often of animal origin, such as beef, poultry, milk, or eggs, but any food, including vegetables, may become contaminated. Thorough cooking kills Salmonella. Food may also become contaminated by the hands of an infected food handler who did not wash hands with soap after using the bathroom.Created: 2009
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Under a moderate magnification of 5000X, this scanning electron micrograph (SEM) revealed the presence of numbers of clustered Gram-negative Salmonella typhimurium bacteria, that had been isolated from a pure culture. See PHIL 10975 for a colorized version of this image.What sort of germ is Salmonella?Salmonella is actually a group of bacteria that can cause diarrheal illness in humans. They are microscopic living creatures that pass from the feces of people or animals to other people or other animals. There are many different kinds of Salmonella bacteria. Salmonella serotype Typhimurium and Salmonella serotype Enteritidis are the most common in the United States. Salmonella germs have been known to cause illness for over 100 years. They were discovered by an American scientist named Salmon, for whom they are named.Created: 2009
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Under a very high magnification of 15000X, this scanning electron micrograph (SEM) revealed the presence of numbers of clustered Gram-negative Salmonella typhimurium bacteria, which had been grown in a pure culture. See PHIL 10973 for a colorized version of this image.What sort of germ is Salmonella?Salmonella is actually a group of bacteria that can cause diarrheal illness in humans. They are microscopic living creatures that pass from the feces of people or animals to other people or other animals. There are many different kinds of Salmonella bacteria. Salmonella serotype Typhimurium and Salmonella serotype Enteritidis are the most common in the United States. Salmonella germs have been known to cause illness for over 100 years. They were discovered by an American scientist named Salmon, for whom they are named.Created: 2009
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Under a high magnification of 12000X, this scanning electron micrograph (SEM) revealed the presence of numbers of clustered Gram-negative Salmonella typhimurium bacteria, which had been grown in a pure culture. See PHIL 10971 for a colorized version of this image.What sort of germ is Salmonella?Salmonella is actually a group of bacteria that can cause diarrheal illness in humans. They are microscopic living creatures that pass from the feces of people or animals to other people or other animals. There are many different kinds of Salmonella bacteria. Salmonella serotype Typhimurium and Salmonella serotype Enteritidis are the most common in the United States. Salmonella germs have been known to cause illness for over 100 years. They were discovered by an American scientist named Salmon, for whom they are named.Created: 2009
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Under a magnification of 5000X, this scanning electron micrograph (SEM) revealed the presence of numbers of clustered Gram-negative Salmonella typhimurium bacteria that were isolated from what was a pure culture specimen. See PHIL 10969 for a colorized version of this image.What sort of germ is Salmonella?Salmonella is actually a group of bacteria that can cause diarrheal illness in humans. They are microscopic living creatures that pass from the feces of people or animals to other people or other animals. There are many different kinds of Salmonella bacteria. Salmonella serotype Typhimurium and Salmonella serotype Enteritidis are the most common in the United States. Salmonella germs have been known to cause illness for over 100 years. They were discovered by an American scientist named Salmon, for whom they are named.Created: 2009
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Under a high magnification of 10431X, half that of PHIL 10566, this colorized scanning electron micrograph (SEM) revealed a colony of Gram-negative bacilli, or rod-shaped Salmonella sp. bacteria. The genus Salmonella is a member of the taxonomic family, Enterobacteriaceae, and approximately 2000 serotypes of this genis are known to cause disease in human beings.How do people catch Salmonella?Salmonella live in the intestinal tracts of humans and other animals, including birds. Salmonella are usually transmitted to humans by eating foods contaminated with animal feces. Contaminated foods usually look and smell normal. Contaminated foods are often of animal origin, such as beef, poultry, milk, or eggs, but any food, including vegetables, may become contaminated. Thorough cooking kills Salmonella. Food may also become contaminated by the hands of an infected food handler who did not wash hands with soap after using the bathroom.Created: 2008
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At a magnification of 20863X, this colorized scanning electron micrograph (SEM) revealed two Gram-negative bacilli, or rod-shaped Salmonella sp. bacteria. The genus Salmonella is a member of the taxonomic family, Enterobacteriaceae, and approximately 2000 serotypes of this genus are known to cause disease in human beings. See PHIL 10566 for a black and white version of this image.What sort of germ is Salmonella?Salmonella is actually a group of bacteria that can cause diarrheal illness in humans. They are microscopic living creatures that pass from the feces of people or animals to other people or other animals. There are many different kinds of Salmonella bacteria. Salmonella serotype Typhimurium and Salmonella serotype Enteritidis are the most common in the United States. Salmonella germs have been known to cause illness for over 100 years. They were discovered by an American scientist named Salmon, for whom they are named.Created: 2008
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This photograph depicts Salmonella sp. bacteria that had been cultured in a tetrathionate-enrichment broth, and stained using the direct fluorescent-antibody (FA) technique.Created: 1980
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Under a high magnification of 10431X, half that of PHIL 10566, this scanning electron micrograph (SEM) revealed a colony of Gram-negative bacilli, or rod-shaped Salmonella sp. bacteria. The genus Salmonella is a member of the taxonomic family, Enterobacteriaceae, and approximately 2000 serotypes of this genis are known to cause disease in human beings.How do people catch Salmonella?Salmonella live in the intestinal tracts of humans and other animals, including birds. Salmonella are usually transmitted to humans by eating foods contaminated with animal feces. Contaminated foods usually look and smell normal. Contaminated foods are often of animal origin, such as beef, poultry, milk, or eggs, but any food, including vegetables, may become contaminated. Thorough cooking kills Salmonella. Food may also become contaminated by the hands of an infected food handler who did not wash hands with soap after using the bathroom.Created: 2008
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Under a high magnification of 10431X, half that of PHIL 10566, this scanning electron micrograph (SEM) revealed a colony of Gram-negative bacilli, or rod-shaped Salmonella sp. bacteria. The genus Salmonella is a member of the taxonomic family, Enterobacteriaceae, and approximately 2000 serotypes of this genis are known to cause disease in human beings. See PHIL 10945 for a colorized version of this image.How can Salmonella infections be diagnosed?Many different kinds of illnesses can cause diarrhea, fever, or abdominal cramps. Determining that Salmonella is the cause of the illness depends on laboratory tests that identify Salmonella in the stool of an infected person. Once Salmonella has been identified, further testing can determine its specific type.Created: 2008
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At a very high magnification of 20863X, this scanning electron micrograph (SEM) revealed two Gram-negative bacilli, or rod-shaped Salmonella sp. bacteria. The genus Salmonella is a member of the taxonomic family, Enterobacteriaceae, and approximately 2000 serotypes of this genis are known to cause disease in human beings. See PHIL 10569 for a colorized version of this image.What sort of germ is Salmonella?Salmonella is actually a group of bacteria that can cause diarrheal illness in humans. They are microscopic living creatures that pass from the feces of people or animals to other people or other animals. There are many different kinds of Salmonella bacteria. Salmonella serotype Typhimurium and Salmonella serotype Enteritidis are the most common in the United States. Salmonella germs have been known to cause illness for over 100 years. They were discovered by an American scientist named Salmon, for whom they are named.Created: 2008
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This is a photomicrograph of a Gram-stained urethral exudate sample from a male who presented with a case of urethritis. In this particular view, numbers of polymorphonuclear leukocytes (PMNs) were visible, however, no organisms were evident. This specimen proved to be negative for the presence of Gram-negative Neisseria gonorrhoeae bacteria.Created: 1974
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This is a photomicrograph of a Gram-stained urethral exudate sample from a male who presented with a case of urethritis. In this particular view, no Gram-negative diplococci were evident, however, in PHIL 1908 and 2307, which featured other views of this specimen, Neisseria gonorrhoeae bacteria, were found to be present.Created: 1974