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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 ...
Streptococcus agalactiae (also known as group B streptococcus or GBS) is a gram-positive coccus (round bacterium) with a tendency to form chains (as reflected by the genus name Streptococcus). It is a beta-hemolytic, catalase-negative, and facultative anaerobe. [1] [2]
Hafner E, Sterniste W, Rosen A, et al. Group B streptococci during pregnancy: a comparison of two screening and treatment protocols. Am J Obstet Gynecol 1998; 179:677--81. ^ Antimicrobial prevention of early-onset group B streptococcal sepsis: estimates of risk reduction based on a critical literature review Benitz WE, Gould JB, Druzin ML ...
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 ...
Pregnant and postpartum women have a higher risk of developing an invasive group A strep infection. “It is probably related to some of the physiological changes associated with pregnancy and the ...
Group B strep is an infection that may be passed to an infant during birth. Vaginal screening for GBS is performed between 34 and 37 weeks of gestational age, so that mothers that are positive for the bacterium can receive treatment before delivery.
The CAMP test can be used to identify Streptococcus agalactiae. Though not strongly beta-hemolytic on its own, [6] group B strep presents with wedge-shaped colonies in the presence of Staphylococcus aureus. [7] It can also be used to identify Listeria monocytogenes which produces a positive CAMP reaction. [8]
Streptococcus is a genus of gram-positive or spherical bacteria ... or group B streptococcus, ... antibiotics to 15–20% of pregnant women and the prevention of 65 ...