Jul 3, 2004

Children who have received no vaccines: who are they and where do they live?

Philip J SmithLawrence E Barker


Each year 2.1 million children 19 to 35 months of age are undervaccinated. Among these are children who have received no vaccinations. Unvaccinated children are at increased risk of acquiring and transmitting vaccine-preventable diseases. To assess whether the characteristics of children with no vaccinations differ from those of undervaccinated children, to monitor trends in the numbers of unvaccinated children, and to identify states with high rates and counties with large numbers of unvaccinated children. A nationally representative probability sample of children 19 to 35 months of age was collected annually between 1995 and 2001. Vaccination histories were ascertained from children's medical providers. Undervaccinated children had received > or =1 dose of diphtheria-tetanus-pertussis, polio, measles, Haemophilus influenzae type b, hepatitis B, or varicella vaccine but were not fully vaccinated. Unvaccinated children were children who were reported as having no medical providers and having received no vaccinations or children whose medical providers reported administering no vaccinations. A total of 151,720 children sampled between 1995 and 2001, 795 of whom were unvaccinated. Undervaccinated children tended to be black, to h...Continue Reading

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Mentioned in this Paper

Meningitis, Haemophilus
Attitude to Health
Haemophilus influenzae type b polysaccharide vaccine
Pertussis Vaccine
Ethnic Group
Encephalitis, California
Whooping Cough due to Unspecified Organism

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