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Group B streptococcal infection, also known as Group B streptococcal disease or just Group B strep infection, is the infectious disease caused by the bacterium Streptococcus agalactiae. Streptococcus agalactiae is the most common human pathogen belonging to group B of the Lancefield classification of streptococci —hence the name of group B ...
The plural term group B streptococci (referring to the serotypes) and the singular term group B streptococcus (referring to the single species) are both commonly used synonymously with S. agalactiae even though S. halichoeri and S. pseudoporcinus are also group B Streptococci. These species test positive as group B, but are not frequently ...
Similarly, group B streptococcus typically denotes Streptococcus agalactiae, although minor beta-hemolytic group B streptococci like S. troglodytidis exist. [15] While most streptococcal illnesses in humans originate from species adapted to humans, such as S. pneumoniae or S. pyogenes, there are zoonotic species capable of causing infections. [15]
Infections caused by Group A streptococci are generally more mild than infections caused by Group B streptococci. The most common Group A streptococcus infections can range from strep throat to pneumonia to cellulitis. Group B streptococcus is more commonly found in the gastrointestinal and genital tracts, and can also be transmitted vertically ...
Strep throat is a common bacterial infection in children and teens, but a recent "explosion" in cases, many of which with few or atypical symptoms, is concerning experts.
The aerobic bacteria also found mixed with these anaerobic bacteria include Enterobacteriaceae, Streptococcus spp. (including groups A and B), Neisseria gonorrhoeae, Chlamydia spp. and Mycoplasma hominis. Free gas in the tissues, abscess formation and foul-smelling discharge is commonly associated with the presence of anaerobic bacteria.
Infections caused by the Strep A bacteria can be potentially life-threatening. Skip to main content. Subscriptions; Animals. Business. Entertainment. Fitness. Food. Games. Health. Home & Garden ...
Group B streptococcus is an important cause of bacteremia in neonates, often immediately following birth. [17] Viridans streptococci species are normal bacterial flora of the mouth. Viridans strep can cause temporary bacteremia after eating, toothbrushing, or flossing. [17]