Group B Streptococcus (GBS) is a frequent colonizer of the human gastrointestinal tract, gynecological tract, and skin. It has been recognized as a major cause of infections in pregnant women and neonates since the 1970s. In nonpregnant adults, sporadic case reports of GBS infections date back to the 1940s, shortly after the serological classification of hemolytic streptococci into groups.1 However, only recently has GBS been recognized as a major cause of infections in this population.
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Barshak MB. Group B Streptococcus, an A-List Pathogen in Nonpregnant Adults. JAMA Intern Med. 2019;179(4):488–489. doi:10.1001/jamainternmed.2018.7296
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