Study: Increasing measles cases observed in double-vaccinated adults

The majority of measles cases in England are among unvaccinated individuals but the proportion of measles cases in adults who received two doses of the MMR vaccine in England increased from 1.9% to 7.2% between 2011 and 2019. A new retrospective modelling study, published in The Lancet Public Health journal, suggests that the weakening of the MMR […]