An enduring furor over the safety of vaccines was largely instigated by research published in 1998 -- and since retracted -- by British physician Dr. Andrew Wakefield that the MMR (measles, mumps, rubella) vaccine was linked with the development of autism.
Wakefield's research has been discredited but concerns about vaccination safety linger.
The majority of American children -- 90 percent -- receive all the recommended childhood vaccinations by the time they enter kindergarten, the report stated.
But there are parents who choose to delay vaccinations, space them out or forgo them entirely, often as the result of concerns about the safety of the vaccine itself or worries about giving too many injections at one time.
The committee preparing the report looked at available research and also talked to parents, clinicians, advocacy groups and representatives from various U.S. health agencies, as well as agencies from other countries.
Among the factors considered: number of vaccines, frequency and order of administration, spacing between doses, cumulative doses, age of recipient and any relationship on autoimmune diseases such as diabetes, asthma and allergies, seizures and development disorders including autism, said committee member Dr. Alfred Berg, a professor of family medicine at the University of Washington School of Medicine in Seattle.
Although the committee
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