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 ...

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 bacteria is expanding, becoming more diverse, exploiting new opportunities for infection and increasingly becoming ...

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 ...