What Is Strep B?


Quick Answer

According to Mayo Clinic, strep B, also referred to as group B streptococcus, is a bacterium that is commonly found the intestines and lower genital tracts. Strep B is typically not harmful to adults but can cause illness in infants and individuals with diabetes, liver disease or other chronic conditions.

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Full Answer

WebMD explains that approximately one in four individuals carries the strep B bacteria. Pregnant women must be tested for strep B due to the fact that the bacteria can be passed from mother to child. During the test, a physician removes cells from the vagina and rectum with a cotton swab. If the cells test positive for the bacteria, pregnant women are provided with antibiotics during labor.

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