Differences Between Streptococcus Pneumoniae and Viridans Streptococci
S.N Streptococcus pneumoniae S.N Viridans streptococci 1. Are capsulated. 1. Are non-capsulated. 2. Shape is lanceolate or flame shaped. 2. Shape is oval or round cells. 3. Give Positive quellung test. 3. Give negative quellung test. 4. On blood agar, dome-shaped initially, later on appear as draughtsman colonies. 4. On blood agar, dome-shaped. … Read more