Highly developed nations requiring the most neonatal vaccine doses tend to have the worst mortality rates in children under age 5, according to a peer-reviewed study published July 20 in Cureus.
Researchers Neil Miller, director of the Institute of Medical and Scientific Inquiry in New Mexico, and Gary Goldman, who has a doctorate in computer science, performed several analyses based on 2019 and 2021 data to explore potential relationships between the number of early childhood vaccinations required by developed nations and their neonatal, infant, and under age 5 mortality rates.
According to global health experts, few measures in public health can compare with the impact of vaccines, which are credited with having reduced disease, disability, and death from a variety of infectious diseases. Yet the study found that developed nations requiring more neonatal vaccinations may have unintended consequences that increase childhood mortality, challenging the idea that more vaccines administered always results in fewer deaths.
“Our paper investigated potential associations between the number of early childhood vaccine doses that developed nations require and their early childhood mortality rates,” Mr. Miller told The Epoch Times in an email. “For example, some nations administer hepatitis B and tuberculosis (BCG) vaccines to their infants shortly after birth. We found that nations that require both vaccines had significantly worse infant mortality rates when compared to nations that require neither vaccine.”
Miller and Goldman’s research initially began in 2011 when they published a paper using 2009 data showing less favorable infant mortality rates among highly developed nations requiring the most infant vaccinations.
The recent study replicated their original study using 2019 and 2021 data from the top 50 nations where childhood vaccine doses range from 12 to 26. Results showed the infant mortality rate increased by 0.167 deaths per 1,000 live births for each additional vaccine dose added to the vaccination schedule, supporting the earlier study’s findings.
Twenty-nine nations in 2009 had better infant mortality rates than the United States, but by 2019, the United States had declined to 44th in infant mortality rankings, and in 2021, ranked 50th—despite requiring the highest number of infant vaccines.
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