Invasive group A streptococcal infections

Fig. 1: Strep throat, caused by group A Streptococcus (GAS). Note the inflammation of the oropharynx and petechiae. GAS bacteria are spread through direct contact with mucus from the nose or throat of persons who are infected, or through contact with infected sores or skin wounds. Photo by: CDC/Heinz F. Eichenwald