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Section 1. Active and Passive Immunization
ACTIVE IMMUNIZATION
Parental Misconceptions About Immunizations
Misconceptions about the need for and safety of recommended childhood and adolescent immunizations are potential causes of delayed immunization, underimmunization, or both. Several common misconceptions of parents have been addressed by the CDC. 1 To inform parents further, the AAP has published a brochure titled Immunizations: What You Need to Know, 2 which addresses common questions about recommended childhood and adolescent immunizations, including the following.
"Why should children be immunized when most vaccine-preventable diseases have been eliminated in the United States?" Although immunizations dramatically have decreased the incidence of a number of childhood diseases in the United States, many of these diseases remain prevalent in other areas of the world and could be reintroduced easily into the United States and, without immunization, could spread quickly. Unimmunized children also will be at risk throughout their lives, including when they travel to countries where vaccine-preventable diseases are endemic.
"Do immunizations work? Havent most people who get a vaccine-preventable disease been immunized?" A few people do not respond immunologically to vaccines, but most childhood vaccines are more than 90% effective. An unimmunized child has a greater risk of contracting a vaccine-preventable disease if exposed. Most people who get a vaccine-preventable disease have not
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