Scarlet fever is caused primarily by group A β-hemolytic streptococci. Symptoms include: acute fever, sore throat, bloody eyes, nausea, vomiting, fatigue, headache, loss of appetite, tonsillitis, rash, decortication, or strawberry tongue. Most patients will recover, with some developing complications such as acute glomerulonephritis and acute rheumatic fever. For prevention, an epidemiological investigation of the infection to understand the