Final answer:
Impetigo, Folliculitis, and Erysipelas are bacterial skin infections caused by group A β-hemolytic streptococci.
Step-by-step explanation:
The bacterial skin infections caused by group A β-hemolytic streptococci include:
C. Impetigo: Impetigo is a highly contagious bacterial skin infection that causes red sores that rupture and develop yellowish-brown crusts.
D. Folliculitis: Folliculitis is an infection of the hair follicles that results in small, red, pus-filled bumps around hair follicles on the skin.
E. Erysipelas: Erysipelas is a skin infection that causes a raised, painful rash with clear borders.