Declining Childhood Vaccination Leads To Health, Economic Consequences

The mathematical model for infectious disease transmission like measles was used to estimate the size of outbreak, which increased with declining vaccination coverage.

In U.S children, the number of measle cases were estimated along with the link between economic costs under different scenarios of vaccine hesitancy, which delays the vaccination or refusal to vaccinate based on nonmedical personal beliefs, reveals a new study published by JAMA Pediatrics. //

Nathan C. Lo, B.S., of the Stanford University School of Medicine, California, and Peter J. Hotez, M.D., Ph.D., of the Baylor College of Medicine, Houston, used data from the U.S. Centers for Disease Control and Prevention to simulate county level MMR (measles, mumps and rubella) vaccination coverage in children (ages 2 to 11).

‘Measles can be reduced by removing the nonmedical personal belief exemptions for childhood vaccination.’

A mathematical model for infectious disease transmission was used to estimate distribution of an outbreak.

Economic costs per measles case came from published literature.

The authors estimate that even a 5 percent decline in MMR vaccine coverage in the U.S. would result in an estimated three-fold increase in national measles cases in children ages 2 to 11, for a total of 150 cases and an additional $2.1 million in public sector costs. Those estimates would be higher if unvaccinated infants, adolescents and adult populations were also considered.

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The size of outbreaks increased with declining vaccination coverage, according to the results.

Study findings should be considered within the limitations of the model assumptions and data.

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"The results of our study find substantial public health and economic consequences with even minor reductions in MMR coverage due to vaccine hesitancy and directly confront the notion that measles is no longer a threat in the United States. Removal of the nonmedical personal belief exemptions for childhood vaccination may mitigate these consequences. These findings should play a key role in any policies adapted by state or national governments that relate to childhood vaccination," the article concludes.

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Source-Eurekalert