Which of the following statements about vaccines is incorrect?

Practice question

Question

Which of the following statements about vaccines is incorrect?

Options

Choose one · Correct answer highlighted

Vaccines stimulate the immune system to create memory cells. Vaccines provide immediate immunity. Correct Live-attenuated vaccines contain weakened pathogens. Toxoid vaccines contain inactivated toxins.

Explanation

Vaccines do not provide immediate immunity; they take time to generate an immune response and develop memory cells.

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