Most of the hemolytic streptococci in the throat of the dogs studied were of the pyogenes type. No close relationship could be demonstrated between the groupings of the dog streptococci according to ...

Rheumatic heart disease is a chronic condition that results years after acute rheumatic fever, which is caused by group A beta-hemolytic Streptococcus pyogenes. This organism produces a ...

The present report describes a limited outbreak of infections due to a Group A beta-hemolytic streptococcus that was highly resistant to both erythromycin and lincomycin and moderately resistant ...

This scanning electron microscope (SEM) image shows a mouse skin infection caused by Streptococcus pyogenes (pseudocolored purple). The bacterium, known as flesh-eating bacteria, has aggressively ...