Streptococcus pneumoniae is a main cause of bacterial pneumonia worldwide. It can also cause ear and sinus infections and, in ...

Streptococcus pyogenes, which is often called group A Streptococcus, infects people around the world. While estimates vary, these infections could be responsible for the deaths of over half a million ...

Group B streptococcus, or group B strep, is a common type of bacteria that lives in some adults and children. It is not usually dangerous, but infection with this bacteria may be more serious in ...

A urinary tract infection caused by Streptococcus bacteria is relatively uncommon. Certain populations are more at risk than others, but seeking treatment is important for all. Infections caused by ...