This vaccine guide for parents sticks it to the others...

Vaccines usually bring relief, since society no longer has to worry about scourges of the past. But there's been concern that these lifesavers can harm some. Which vaccines are necessary for the common good, and when should they be given? Here is all the information readers need to know about every vaccine, including: how vaccines work; which are required and recommended; which have been challenged; risks of not vaccinating; vaccines for travelers, injuries, and special populations, including seniors.