Biology · Microorganisms and Health
Vaccination is a process of immunisation. Which of the following statements is/are true regarding vaccines? (A) A vaccine can contain live-attenuated or killed pathogens. (B) A vaccine stimulates the production of specific antibodies in the body. (C) Vaccines are available for human beings only. (D) Vaccines contain antibiotics that directly kill bacteria.
- 1(A) and (D)
- 2(C) and (D)
- 3(B) and (C)
- 4(A) and (B)✓
Correct answer
(A) and (B)
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