Normally vaccination can be done at any age for
Correct answer: D. Polio
- A. Measles
- B. Hepatitis
- C. Diphtheria
- D. Polio
Explanation
They should get one dose at each of the following ages: 2 months old, 4 months old, 6 through 18 months old, and 4 through 6 years old. Children who have not completed their polio vaccinations should see their healthcare professional to complete the vaccine series.
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About Specific Defense Mechanism
Specific defense mechanisms provide targeted immunity through B lymphocytes, T lymphocytes, antibodies and memory cells that recognize particular antigens. Questions cover humoral and cell mediated responses, clonal selection, primary and secondary immune responses, vaccination and passive immunity, while distinguishing adaptive defenses from the immediate, non specific innate response.
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