Question

Vaccines produced by altering the growth of the microorganisms is known as

• A. Acellular vaccines
• B. Killed vaccines
• C. Attenuated vaccines
• D. None of the above

Answer 1

The correct option is C Attenuated vaccines

There are different types of vaccines, live, killed and attenuated forms. The attenuated are the weakened forms of organisms in the vaccines. The pathogenicity of the organisms is reduced by altering the organism such that the vaccine provokes the immune response but do not harm the host.

Thus, the correct answer is option C.