Starting at 142:00. A study comparing unvaccinated children to vaccinated children under the age of 3. The study looked at asthma, developmental delays, gastrointestinal disorder and ear infections. Their were 2,400 children in the sample but not enough to study autism. 30% of the children were never vaccinated in the first year of life. The CDC now recommends 21 vaccinations in the first year of life. But some of the samples included children did not receive as many vaccinations as others. There was a correlation between vaccinations and the incidence of the 4 conditions being studied. As the number of vaccines increased, the correlations became stronger. Children vaccinated in their first year were 4.5 times more likely to get an asthma diagnosis.
(Tetanus–diphtheria–acellular pertussis (TdaP) and MMR, among other combination vaccinations, were counted as one vaccine, although they consist of three vaccines in a single injection.) Children who received no vaccines during the first year of life (plus 15 days) were considered as “unvaccinated” regardless of vaccines that might have been received after their first birthday. In the second analysis (Table 7), subjects were separated into quartiles based on the number of vaccine doses received within the first year of life (plus 15 days) calculated based on the distribution among the sample with a median of nine vaccine doses. The first quartile included children who received 1–5 vaccine doses (n = 353), the second included children who received 6–10 vaccine doses (n = 390), the third included children who received 11–12 vaccine doses (n = 417) and the fourth included children who received 13–21 vaccine doses (n = 254).
In this study, based on a convenience sample of children born into one of three distinct pediatric medical practices, higher ORs were observed within the vaccinated versus unvaccinated group for developmental delays, asthma and ear infections.