<prompt> All are medically impoant streptococci except -Strep. pyogenesStrep. agalactiaeStrep. equisimilusStrep. salivarius  <response>: Option 1 Streptococcus pyogenes - suppurative ,nonsuppurative manifestations. Option 2 S. agalactiae Neonatal sepsis and meningitis Puerperal sepsis and peripaum fever Infections in elderly people with underlying illness Option 3 Streptococcus dysgalactiae subspecies equismilis SDSE Often referred to as b-hemolytic streptococci. Large colony-forming human groups C and G streptococci Option 4 Streptococcus salivarus Alpha-hemolytic streptococci is normal flora of oral cavity saliva and rarely causes disease to humans 