1. The practice of giving the vaccines separately may be harmful. 2. The practice of giving the vaccines separately may be harmful . 3. The vaccines have different side effects at different times. 4. The vaccines have different side effects at different times . 5. It may even be harmful to give the vaccines separately. 6. It may even be harmful to give the vaccines separately . 7. MMR contains three separate vaccines in one injection. 8. Wouldn't it be better for children to have the vaccines separately? 9. Would n't it be better for children to have the vaccines separately ? 10. Vaccines that were used more widely.
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