Streptococcus

In addition to strep throat, certain Streptococcus species are responsible for many cases of meningitis, bacterial pneumonia, endocarditis, erysipelas and necrotizing fasciitis (the 'flesh-eating' bacterial infections).
Streptococcus (the genus) at Wikipedia
Streptococcus pyogenes (strep throat) at Wikipedia
Streptococcus pneumoniae (Pneumococcus) at Wikipedia
Category:Bacteria