LYCOS RETRIEVER 
Strep Throat: Bacteria
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People usually develop strep throat when their immune systems are not functioning at their peak. Because strep is contagious, treatment is critical since these bacteria can be spread to others by coughing or sneezing.
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Rapid strep test analyzes the bacteria in your throat to see if strep is the cause of your sore throat. The health professional uses a cotton swab to gather cells from the back of your throat for testing.
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The rapid test shows whether streptococcal bacteria are present in the throat. The results are available in about twenty minutes. The advantage of the test is the speed with which a diagnosis can be made. Its disadvantage is its high rate of error. The results are wrong in about 20 percent of all cases.
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Almost 20 percent of Americans have strep bacteria in their throats and are symptom-free. Strep throat does not necessarily need to be treated. However, some untreated cases can deteriorate into scarlet fever, joint disorders or heart conditions.
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