group a streptococcus treatmentgroup a streptococcus bacteriastreptococcus anginosus treatmentstreptococcus constellatus groupstreptococcus milleri groupstrep anginosus groupgroup beta streptococcusstreptococcus anginosus millerigroup b streptococcus treatmentstreptococcus agroup a beta hemolytic streptococcusgroup g streptococcus