[Group A beta-hemolytic streptococcus infection and varicella]. / Infezione da streptococco beta-emolitico di gruppo A e varicella.

The case of a 3-year-old boy affected with varicella associated to acute cellulitis by group A beta-hemolytic streptococci is reported. The causes of hospitalization were: high fever, decline of condition, onset of scarlet exanthema and a severe swelling in the inguinoscrotal area, during varicella. The diagnosis of streptococcal infection was confirmed by positive pharyngeal tampon, scarlet exanthema and following rise of ASLO. Since the association of these two infections is reported in literature more and more frequently, the possible causes and precautionary measures are analysed.