Question

Consider the following statements:
1. The weakened version of the virus being in the vaccine will cause the disease in the person receiving the vaccine.
2. Secondary response comes when vaccine has been delivered in human body.
Which of the above statements is / are correct?

• A. 1 only
• B. 2 only
• C. Both 1 and 2
• D. Neither 1 nor 2

Answer 1

The correct option is D Neither 1 nor 2

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> A live-attenuated vaccine uses a living but weakened version of the virus or one that’s very similar. It does not cause disease in the person. It will not cause the disease in the person receiving the vaccine.

Secondary immune responses leading to the activation and proliferation of antigen-it comes into force after the actual pathogen enters the human body after vaccination.