链球菌引起人类的疾病,在临床上极为常见,链球菌除能单独引起感染外,也常与其它细菌如葡萄球菌等引起混合感染,或继发性感染。在链球菌中,乙型溶血性链球菌对人的致病力最强,其致病力与链球菌产生的毒素和酶类,有一定的关系。链球菌溶血素是溶血性链球菌的代谢产物之一,能溶解红细胞,不耐热,怕氧,如与空 Streptococcus causes human diseases, is extremely common in clinical practice, in addition to Streptococcus can cause infection alone, but also often with other bacteria such as staphylococci cause mixed infection, or secondary infection. Streptococcus, hemolytic streptococcus B is the most virulent to humans, its virulence and streptococcus toxins and enzymes, have a certain relationship. Streptolysin hemolytic streptococcus is one of the metabolites, can dissolve red blood cells, not heat, fear of oxygen, such as empty