scarlet fever streptococcus toxin

scarlet fever streptococcus toxin

[′skär·lət ′fē·vər ¦strep·tə¦käk·əs ′täk·sən]
(immunology)
Toxic filtrate of cultures of Streptococcus pyogenes responsible for the characteristic rash of scarlet fever; the toxin is used in the Dick test.