Acquired immunity is protection developed after our body faces a disease or gets vaccinated. The immune system remembers the germ and fights it faster and stronger if it enters the body again. Class 8 Science Grade 8 Chapter 3 Health: The ...
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Acquired immunity is protection developed after our body faces a disease or gets vaccinated. The immune system remembers the germ and fights it faster and stronger if it enters the body again. Class 8 Science Grade 8 Chapter 3 Health: The ...