Question

When some disease spread around the town, Group A people were not affected by the diseases, while Group B people were affected and had to takemedicine to protect them against the disease. What could be the possible reason behind this different response towards the disease?

• A. Group A have active immunity, while Group B have passive immunity
• B. Group A have passive immunity, while Group B have active immunity
• C. Group A and Group B both have active immunity
• D. Group A and Group B both have active immunity

Answer 1

The correct option is A

Group A have active immunity, while Group B have passive immunity

Active immunity is produced by one's own body which results from the production of antibodies by the immune system in response to the presence of an antigen, passive immunity is given externally by medicine (e.g. antibiotics).