Live vaccine is ?: (A) Salk polio, (B) KFD, (C) Sabin polio, (D) Meningococci
Answer is C. There are 4 main types of vaccines: Live-attenuated vaccines Inactivated vaccines Subunit, recombinant, polysaccharide, and conjugate vaccines Toxoid vaccines Live-attenuated vaccines Live vaccines use a weakened (or attenuated) form of the germ that causes a disease.