•The symptoms of scarlet fever begin abruptly and include fever, sore throat, rash, and a bright red tongue.
•The rash appears 12 to 72 hours after the onset of a fever. The tonsils are inflamed and often covered with a white coating
•Scarlet fever is caused by streptococcus pyogenes and most commonly affects children age 4-8 years.
•Diphtheria causes purulent nasal discharge, a brassy cough, and bluish skin coloration.
•Pertussis causes whooping cough and vomiting.
•Mumps generally presents with painful swelling of the salivary glands.