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A person who was infected with chicken pox is less likely to get infected again in their lifetime. What kind of immunity is responsible here?
A person who was infected with chicken pox is less likely to get infected again in their lifetime. What kind of immunity is responsible here?
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Solution
The correct option is A Acquired immunity
Artificially acquired active immunity can be induced by a vaccine, a substance that contains antigen. A vaccine stimulates a primary response against the antigen without causing symptoms of the disease. The learning process starts when a person's immune system encounters foreign invaders and recognizes nonself substances (antigens). Acquired immunity is also called specific immunity because it tailors it's attack to a specific antigen which was previously encountered.
Acquired immunity
Artificially acquired active immunity can be induced by a vaccine, a substance that contains antigen. A vaccine stimulates a primary response against the antigen without causing symptoms of the disease. The learning process starts when a person's immune system encounters foreign invaders and recognizes nonself substances (antigens). Acquired immunity is also called specific immunity because it tailors it's attack to a specific antigen which was previously encountered.
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