典型溶血性尿毒症(typical hemolytic-uremic syndrome)最常見之致病菌為:
A群貝他溶血型鏈球菌(Group A β hemolytic Streptococci)
大腸桿菌O157:H7型(E. coli O157:H7)
b型嗜血流行性感冒桿菌(Hemophilus influenza b)
草綠色鏈球菌(Streptococcus viridans)