Group B Streptococcus
Group B Streptococcus
Group B Streptococcus (Streptococcus agalactiae), pronounced as /ˈstrɛptəˌkɔːkəs ˌæɡəˈlæktiː/, is a type of bacteria that can cause various infections in humans. The term "Group B" refers to the Lancefield grouping, a system of classification for streptococcal bacteria based on their cell wall polysaccharide antigens. The term "Streptococcus" comes from the Greek words "streptos" (meaning twisted) and "kokkos" (meaning berry), referring to the bacteria's appearance under a microscope.
Group B Streptococcus is most commonly known for causing infections in newborns, pregnant women, elderly adults, and people with weakened immune systems. It is a leading cause of meningitis and sepsis in newborns. In adults, it can cause bacteremia, pneumonia, skin infections, and urinary tract infections.
Transmission
Group B Streptococcus is often found in the digestive, urinary, and reproductive tracts of adults. It can be transmitted from mother to newborn during childbirth. It can also be spread through direct contact with the bacteria, such as through sexual contact or contact with contaminated surfaces.
Prevention and Treatment
Prevention of Group B Streptococcus infection involves screening pregnant women for the bacteria and administering antibiotics if necessary. Treatment typically involves antibiotics as well.
Related Terms
- Bacteria
- Meningitis
- Sepsis
- Bacteremia
- Pneumonia
- Skin infection
- Urinary tract infection
- Immune system
- Antibiotics
External links
- Medical encyclopedia article on Group B Streptococcus
- Wikipedia's article - Group B Streptococcus
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