Quellung reaction is seen with:: (A) Pneumococcus, (B) Gonococcus, (C) Streptococcus, (D) Staphylococcus
Answer is A. Quellung reaction Capsular swelling due to serological reaction Pneumococcal Capsular antigen + Antibody causes Capsular swelling Note:- MC fadyean's reaction Done for bacillus anthracis capsule (polypeptide)