It differs from the rest for various reasons, the main one is the only eruption of bacterial origin.
• How to develop:
A microorganism that causes it is called beta-hemolytic streptococcus is a normal inhabitant of skin and throat and produces pharyngitis. In some cases a sort of toxin that is distributed throughout the body and causes high fever with spots on the skin. The characteristic rash of scarlet fever is that it covers large areas. There is but only swollen glands in the neck and high fever.
Being a bacterium, it is medical with antibiotics, but in reality does not change much medication changes because when the eruption occurs, the bacteria is already eliminated by the body itself.
It has now become a less common disease.