Which one of the following antibody is produced rapidly and in high amounts during secondary response?: (A) IgG, (B) IgA, (C) IgM, (D) IgM and IgG
Answer is A. IgG antibodies are generated following class switching and maturation of the antibody response and thus paicipate predominantly in the secondary immune response Ref: Ananthanarayan & Panikers textbook of microbiology 9th edition pg:97