Medically reviewed by Amelia MacIntyre, DO Strep throat is a bacterial infection caused by Streptococcus pyogenes (group A streptococcus). The common cold is a viral infection that can be caused by ...

Strep throat, something we've all had at some point in our lives, is caused by the bacteria Streptococcus pyogenes. Infection by Streptococcus can be fatal in serious cases and is the leading ...

In six months, the number has already surpassed last year’s 941 cases. There are several strains of streptococcus, such as group A streptococcus and group B streptococcus. Group A causes ...