Most common age group affected by streptococcus pyogenes -
A
< 5 years
B
5 -15 years
C
20 - 25 years
D
30 - 40 years
High-Yield Explanation
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.