Scarlet fever rash regression to white test

The whitening test is a test for the reduction of scarlet fever and rash. The scarlet fever is an acute respiratory infection caused by hemolytic streptococcus. It can also cause tonsillitis, erysipelas, rheumatic fever, endocarditis and local infection. Fever, pharyngitis, systemic diffuse scarlet rash and rash regressive skin desquamation, whitening experiment Even if the red rash turns white to normal skin tone.