Streptococcus agalactiae (Group B Strep)
Gram ⊕Gram-positive cocci in chains
Streptococcus agalactiae (Group B)
β-hemolytic, bacitracin-RESISTANT, CAMP +, hippurate + — the neonatal threat.
🎬 The Baby on Board
Group B = Babies; screen mom at 35–37 weeks
Scene illustration coming soon.
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NewbornGROUP B = BABIES. Leading cause of neonatal meningitis, pneumonia, and sepsis.
🔗 B for Baby.
🔬 Identification
- •GPC in chains, catalase –.
- •β-hemolytic, bacitracin-RESISTANT.
- •CAMP test POSITIVE (arrowhead with S. aureus).
- •Hydrolyzes hippurate.
🦠 Disease
- •Neonatal meningitis, pneumonia, and sepsis (leading causes in newborns).
- •In adults: postpartum endometritis, UTI, diabetic skin/soft tissue infections.
🛡️ Prevention
- •Universal rectovaginal screening at 35–37 weeks gestation.
- •Intrapartum penicillin prophylaxis for colonized or high-risk mothers.
🧠 Mnemonics
Group B = Babiesagalactiae → neonatal meningitis/sepsis/pneumonia; "B" for baby.
CAMPs with a Baby, Bacitracin-resistantCAMP +, hippurate +, bacitracin-resistant identify group B.
🩺 Classic boards tip-off
Neonate (first week of life) with fever, lethargy, and meningitis → group B strep (or E. coli / Listeria).
Lesson Info
- Duration
- 5 minutes
- Status
- Completed
- Topic
- Microbiology
- Unit
- Bacteria
