<prompt> Toxin involved in the streptococcal toxic shock syndrome is:Pyrogenic toxinErythrogenic toxinHemolysinNeurotoxin  <response>: Streptococcal TSS is caused by pyrogenic exotoxin. Ref: Text Book of Microbilogy By Ananthanarayan, 8th Edition, Page 208-209 ; Harrisons Principles of Internal Medicine, 14th Edition, Page 889, 15th Edition, Page 903 