<prompt> Toxin involved in the streptococcal toxic shock syndrome is -Pyrogenic toxinErythrogenic toxinHemolysinNeurotoxin  <response>: Ans. is a i.e., Pyrogenic toxin Streptococcal T.S.S. is due to production of Pyrogenic exotoxin erytrogenic toxin. Remember - Staphylocaccal T.S.S. is due to production of pyrogenic exotoxin Calso known as T.S.S. T type 1 or enterotoxin type f 