Microcheck 173

Serology uses antibodies, usually in serum or other body fluids, to detect and identify antigens. Conversely, known antigens are used to detect and identify antibodies. The change from negative to positive for specific antibodies during an infection is seroconversion; a rise in titer is characteristic of an active infection. Serial dilution of specimens permits quantification of antibodies in the sample.

■ Why is blood serum used in many immunological tests?

■ What is the significance of a rise in titer of specific antibodies in serum samples taken early and late during an infectious disease?

■ In a serological test, what is meant by a false positive reaction?

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Bacterial Vaginosis Facts

Bacterial Vaginosis Facts

This fact sheet is designed to provide you with information on Bacterial Vaginosis. Bacterial vaginosis is an abnormal vaginal condition that is characterized by vaginal discharge and results from an overgrowth of atypical bacteria in the vagina.

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