Group A B-hemolytic streptococcal infection of the pharynx may be followed in some by_____________?
Correct answer: C. Rheumatic fever
- A. Diphtheria
- B. Typhoid fever
- C. Rheumatic fever
- D. Syphilis
Explanation
Group A beta-haemolytic Streptococcus pyogenes pharyngitis can trigger rheumatic fever through an immune cross-reaction several weeks after infection. Diphtheria, typhoid fever and syphilis are caused by unrelated pathogens.
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