Question
Describe how vaccinations work to protect the body from illness.
A: When a vaccine is injected or swallowed, the immune system responds to the vaccine material by making white blood cells called memory cells. Therefore, when or if the pathogen against which the vaccine was made enters the body, the memory cells and their antibodies fight the pathogen before it can cause disease?
A: When a vaccine is injected or swallowed, the immune system responds to the vaccine material by making white blood cells called memory cells. Therefore, when or if the pathogen against which the vaccine was made enters the body, the memory cells and their antibodies fight the pathogen before it can cause disease?
Answers
Ms. Sue
Right.
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