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  2. Widal test - Wikipedia

    en.wikipedia.org/wiki/Widal_test

    In cases of Salmonella infection, the test assesses for host antibodies to the O soma antigen and the H flagellar antigen of the bacteria. [1] False positive and false negative results may occur. Test results need to be interpreted carefully to account for any history of enteric fever, typhoid vaccination, and the general level of antibodies in ...

  3. Typhoid fever - Wikipedia

    en.wikipedia.org/wiki/Typhoid_fever

    Typhoid fever, also known simply as typhoid, is a disease caused by Salmonella enterica serotype Typhi bacteria, also called Salmonella Typhi. [2] [3] Symptoms vary from mild to severe, and usually begin six to 30 days after exposure. [4] [5] Often there is a gradual onset of a high fever over several days. [4]

  4. Quellung reaction - Wikipedia

    en.wikipedia.org/wiki/Quellung_reaction

    Quellung is the German word for "swelling" and describes the microscopic appearance of pneumococcal or other bacterial capsules after their polysaccharide antigen has combined with a specific antibody. The antibody usually comes from serum taken from an immunized laboratory animal. As a result of this combination, and precipitation of the large ...

  5. Presumptive and confirmatory tests - Wikipedia

    en.wikipedia.org/wiki/Presumptive_and...

    Most people who take a drug test take a presumptive test, cheaper and faster than other methods of testing. However, it is less accurate and can render false results. The FDA recommends for confirmatory testing to be conducted and the placing of a warning label on the presumptive drug test: "This assay provides only a preliminary result.

  6. Forensic serology - Wikipedia

    en.wikipedia.org/wiki/Forensic_serology

    Testing for different body fluids with traditional serological techniques, such as those listed above, is possible, but not without some drawbacks. Firstly, not all body fluids have a reliable confirmatory test, and those that do typically require a larger amount of the suspected stain in order to perform the confirmatory test.

  7. Are your eggs safe? What to know after salmonella outbreak ...

    www.aol.com/lifestyle/eggs-safe-know-salmonella...

    Salmonella is a group of bacteria that can cause foodborne illness. It is commonly associated with undercooked meat and eggs; however, outbreaks have recently been linked to other foods, such as ...

  8. Salmonellosis - Wikipedia

    en.wikipedia.org/wiki/Salmonellosis

    Salmonellosis is a symptomatic infection caused by bacteria of the Salmonella type. [1] It is the most common disease to be known as food poisoning (though the name refers to food-borne illness in general), these are defined as diseases, usually either infectious or toxic in nature, caused by agents that enter the body through the ingestion of food.

  9. Salmonella - Wikipedia

    en.wikipedia.org/wiki/Salmonella

    Salmonella species can be found in the digestive tracts of humans and animals, especially reptiles. Salmonella on the skin of reptiles or amphibians can be passed to people who handle the animals. [39] Food and water can also be contaminated with the bacteria if they come in contact with the feces of infected people or animals. [40]

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