Study Finds Disturbing Trends in Vaccination Exemptions

Summary of Research: A new study shows that numerous states and large metropolitan centers have seen an uptick in the number of nonmedical exemptions (NMEs) from childhood vaccinations granted. The study, published in PLOS Medicine,(journals.plos.org) found that in the past decade, the number of philosophical exemptions to vaccination has increased in two-thirds of the states that allow such exemptions.

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Substantial Proportion of U.S. Measles Cases Intentionally Unvaccinated

Summary of Research: Unvaccinated or undervaccinated individuals comprised substantial proportions of cases in measles and some pertussis outbreaks, an analysis of numerous studies and reports finds. Additionally, vaccine refusal was associated with an elevated risk for measles and pertussis, including among fully vaccinated individuals, researchers report.

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HPV Vaccination Does Not Negatively Impact Fertility in Adolescents, Large Study Finds

Summary of Research: Adolescents who receive recommended vaccinations, including for human papillomavirus, have no increased risk of primary ovarian insufficiency, also known as premature menopause, according to a Kaiser Permanente study published in Pediatrics.

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Healthcare Cuts ‘Strongly Linked’ to The Resurgence of Measles in Italy

Summary of Research: Studies show that primary reason for the measles outbreak, affecting several European countries, is the decline in vaccination coverage, for which mainly the ‘spread of anti-scientific theories’ can be blamed. However, a new study shows that cuts in public health expenditure also play an important role, with measles, mumps, rubella (MMR) vaccination coverage decreasing 0.5 percentage points for each 1 percent expenditure cut.

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HPV Vaccine: Why Parents Really Choose to Refuse

Summary of Research: A new study of survey data finds that only a minority of parents choose not to immunize their children against the sexually transmitted human papillomavirus (HPV) due to concerns that vaccination would encourage or support youth sexual activity, a reason frequently cited by doctors as a barrier to advocating for this vaccine.

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