Most common age group affected by streptococcus pyogenes -: (A) < 5 years, (B) 5 -15 years, (C) 20 - 25 years, (D) 30 - 40 years
Answer is B. Ans. is 'b' i.e., 5 - 15 years o Sore throat (tonsillitis) is the most common manifestation of streptococcal infection and affects 5-15 years age group.