paul a. offit
It is very reasonable for a parent to worry about vaccines. For one thing, most of them involve sticking the baby or child with a sharp object, thus making the little one cry, and it would be abnormal to not have an automatic reaction to that. For another thing, they are drugs, in a sense. When the little one is ill, and you call in to the health care facility in the hopes that there will be some useful advice, most of the time you hear "No, we no longer recommend giving [fill in the blank with a medicine you thought might work] to children under [one or two months older than your child].…