Skip to content

Question

Which of the following vaccines does not provide life time protection?

Options

Choose one · Correct answer highlighted

Explanation

Tetanus toxoid immunity wanes within 5-10 years, requiring decennial boosters to maintain protective antitoxin titers. In contrast, replicating vaccines like smallpox and polio often induce long-lived plasma cells conferring decades-long or lifelong protection without frequent boosting.

Discussion

Comments

0 comments

No comments yet. Be the first to start the discussion.