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Describe how a flu vaccine protects the human body

2 Answers

5 votes

Answer:

it prevents people from getting sick

Step-by-step explanation:

User Rhileighalmgren
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A dead flu virus cell is injected into the body which in turn makes the body recognize the cell so that when an alive flu virus cell enters the body, the body knows what the foreign cell is and can successfully defend against it.
User Boris Yakubchik
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