Scarlet fever is usually a mild illness, but it is highly infectious. Symptoms of scarlet fever are a sore throat, headache, and fever, along with a fine, pinkish or red body rash with a sandpapery feel, but the symptoms can differ on those with darker skin tones.
Article source: https://www.huffingtonpost.co.uk/entry/this-is-what-strep-a-looks-like-on-darker-skin-tones_uk_6390615fe4b06fdc9d92a1ba