"Even though vaccines contain a

  1. Which scientific information most likely lead to school districts requiring vaccines?Some required vaccines have side effects.
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  2. Why is it difficult to make vaccines for viruses?A. All known viruses must be tested against new vaccines. B. Vaccines are very
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    2. 123 asked by 123
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  3. how do you think the development of vaccines for more than 20 communicable diseases has affected the average human life span in
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    2. melita asked by melita
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  4. Why is it difficult to create a vaccine against a common cold?(1 point)Responses Vaccines are unnecessary because antibiotics
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  5. Why is it difficult to create a vaccine against a common cold?(1 point)Responses Vaccines are unnecessary because antibiotics
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  6. Why is it difficult to create a vaccine against a common cold?(1 point)Responses Vaccines are unnecessary because antibiotics
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  7. Linking rising rates of autism with increased use of vaccines is suggesting a ________ between vaccines and autism.Choose one:
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  8. Linking rising rates of autism with increased use of vaccines is suggesting a ________ between vaccines and autism.Choose one:
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  9. Why is it difficult to create a vaccine against a common cold?1. The viral genome mutates very quickly. 2. Vaccines are only
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    2. Sally asked by Sally
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  10. adapted from "Strategy May Improve Seasonal Flu Vaccines"NIH Research Matters Flu viruses constantly change, or mutate, as they
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