Scarlet fever croup is one of the most serious forms of streptococcal infection that can develop in children between 2 and 5 years of age. This disease is characterized by ulcers in the throat and airways, as well as fever, redness of the throat and mouth, and abdominal pain. Sometimes signs of dehydration may appear, such as dry mouth, decreased urine output, weakness and lethargy. One of the key causes of scarlet fever croup is bacteria of the group