These infections are caused by several strains of bacteria – the most common are streptococcus A and streptococcus B. These infections are extremely common and frequently responsible for sore throats experienced by millions of us every year. Most group A streptococcal bacteria cause relatively mild skin and throat infections, and are responsible for common conditions such as: strep throat (sore throat) impetigo (localised infection of the skin producing pus-filled blisters) cellulitis (infection of the skin, fat and underlying tissues) erysipelas (inflammation of the upper layers of the skin) tonsillitis (severe throat infection particularly impacting the tonsils) scarlet fever (infection causing

Streptococcal infections as seen on The Hippocratic Post.