Summary: Scarlet fever is a disease which can occur as a result of a group A streptococcus (group A strep) infection. The signs and symptoms include a sore throat, fever, headaches, swollen lymph nodes, and a characteristic rash. The rash is red and feels like sandpaper and the tongue may be red and bumpy. It most commonly affects children between five and 15 years of age.
Reference Material:
https://en.wikipedia.org/wiki/Scarlet_fever