Immunity

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Across
  1. 4. Type of immunity a person gets without medical help, like from infection or from antibodies passed by the mother.
  2. 5. You got sick and your body made its own antibodies. What kind of immunity is this?
  3. 7. The type of T cell that helps activate other immune cells like B cells to make antibodies after vaccination or infection.
Down
  1. 1. A substance containing antigen that stimulates your immune system to produce memory cells without causing illness.
  2. 2. Type of immunity given by medical treatment, such as vaccines or antibody injections.
  3. 3. You got an injection with ready-made antibodies. Your body didn’t make them. What is this type of immunity?
  4. 6. After getting a vaccine, your body keeps special cells that “remember” how to fight the disease. What are these cells called?