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"Even though vaccines contain a

Which scientific information most likely lead to school districts requiring vaccines?Some required vaccines have side effects.
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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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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. asked by melita
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Why is it difficult to create a vaccine against a common cold?(1 point)Responses Vaccines are unnecessary because antibiotics
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Why is it difficult to create a vaccine against a common cold?(1 point)Responses Vaccines are unnecessary because antibiotics
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Why is it difficult to create a vaccine against a common cold?(1 point)Responses Vaccines are unnecessary because antibiotics
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Linking rising rates of autism with increased use of vaccines is suggesting a ________ between vaccines and autism.Choose one:
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Linking rising rates of autism with increased use of vaccines is suggesting a ________ between vaccines and autism.Choose one:
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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. asked by Sally
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adapted from "Strategy May Improve Seasonal Flu Vaccines"NIH Research Matters Flu viruses constantly change, or mutate, as they
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