Childhood Immunization (Vaccination) Schedule
Medical Author: David Perlstein, MD, FAAP
Medical Editor: Melissa Conrad Stöppler, MD
Why do we need vaccines?
None of us wants to see our children get sick. If we could, we would protect
them from any illness, no matter how small—even the sniffles.
Now suppose you could make your child safe from some of the most deadly
diseases in history...And suppose that at the same time you could also help
protect your neighbors' children and other children around the country from the
same diseases...And finally, suppose you could actually help to rid the world
of some of these diseases that have been crippling and killing children for
centuries.
You can do all of these things with one of the easiest and yet most
powerful health tools ever developed. You can make sure your children get their
shots.
How do vaccines work?
When you receive a vaccine, it helps your body to create antibodies. Antibodies are the body's defenses that fight off any foreign substances (germs). Although your body can create antibodies on its own, most of the vaccine-preventable diseases cause severe illness and even death before enough antibodies are produced.
Immunization (vaccination) schedule
Vaccines work best when they are given at certain ages. For example, measles
vaccine is not usually given until a child is at least 1 year old. If it is
given earlier than that, it may not work as well. On the other hand, the DTaP
vaccine should be given over a period of time, in a series of properly spaced
doses. More information about the specific diseases your child is vaccinated
against is listed later in this article.
Following is a description of the routine childhood immunization schedule. It
is published each year by the U.S. Centers for Disease Control and Prevention
(CDC).
Next: What childhood vaccines are recommended, and at what ages they should be given? »
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