It seems that there is no conflict of interest between the study made by Merck, vaccine producer, which states that:
People who don’t get CDC-recommended shots cost the U.S. $7B in 2015: Report
The UNC study was funded by Merck, a large vaccine player whose list of products includes HPV vax market leader Gardasil, pneumococcal vax Pneumovax 23 and zoster vaccine Zostavax, among others. The company does not market a flu vaccine.
Last year, unvaccinated adults cost the economy $7.1 billion, an analysis done by the University of North Carolina at Chapel Hill found.
Parental opposition to vaccines recently forced the American Academy of Pediatrics to change its stance to suggest that pediatricians can dismiss parents who don’t comply with the recommended vaccine schedules.