Question

The vaccines contains:

a) Derivatives of microbes
b) Dead or weakened microbes
c) Products of microbes

• A. a, b
• B. b, c
• C. c, d
• D. All of the above

Answer 1

The correct option is D All of the above

Vaccines are suspensions of killed or weakened microbes or products or derivatives of micro organisms. A vaccine produces immunity to a disease by stimulating the production of antibodies.