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How Do Vaccines Work? |
| edHelper's suggested reading level: | high interest, readability grades 4 to 6 | |
| Flesch-Kincaid grade level: | 4.45 |
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How Do Vaccines Work?
By Patti Hutchison |
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1 "Ouch!" Joe exclaimed. "That hurt!" Joe's doctor just gave him a flu shot.![]() |
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Life Skills: Staying Healthy
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