Vaccine literacy is undervalued.

Despite weak health literacy is considered a concause of vaccine hesitancy, it is rarely taken into account when discussing about this subject. The association between health literacy skills and vaccine acceptance has been shown to be uneven when using general measures, also depending on the population settings and type of vaccine considered. Vaccine literacy has been built on the same idea of health literacy, but very few specific measuring tools have been developed until now. It is desirable that more of these instruments are validated and extensively used with the objective of assessing peoples' vaccine literacy skills and defining interventions aimed at their improvement.