Bacterium
Streptococcus agalactiae
Group B beta-hemolytic streptococcus
STREP-toh-KOK-us ah-gah-LAK-tee-eye
High-yield clue
Group B + beta-hemolysis + CAMP positivity is the core study anchor.
Overview
A Group B streptococcus used to connect beta-hemolysis, CAMP-test vocabulary, and neonatal coursework associations.
Classification
- Gram-positive
- Cocci
- Chains
- Group B Streptococcus
Lab & identification clues
- Catalase negative
- Beta-hemolysis
- CAMP-test vocabulary
Associations
- Neonatal infection vocabulary
- Pregnancy screening vocabulary
- Strep comparison drills
Commonly confused with
- Streptococcus pyogenes
- Enterococcus faecalis/faecium
Your notes
Original student-study summary. Sources checked: OpenStax Microbiology 2e, NCBI Bookshelf Medical Microbiology, and CDC topic pages where applicable; reviewed 2026-06. Educational only; no diagnosis, treatment, dosing, or specimen-handling guidance.