Streptococcus Infections

Question 1

What are examples of Alpha Hemolytic and Beta Hemolytic Streptococcus and types of infections they can cause:

Answer 1

Alpha Hemolytic

• Strep pneumoniae
• Strep viridans –> oral commensals

Beta Hemolytic

• Group A (streptococcus pyogenes) –> perianal dermatitis, toxic shock syndrome (uncommon), necrotising fasciitis,
• Group B streptococcus –> lives in gut & vagina usually harmless

Question 2

What is the immunisation schedule for streptococcus pneumonaie?

Answer 2

2,4,6 months
booster @ 12-18months for ATSI population

Adults >65 yrs
Adults >50 yrs if ATSI

ATSI 15-50yrs with a chronic disease or high risk of step pneumoniae infections