Vaccination rates among adolescents and young adults, for whom the risk of infection is greatest, remain lower than was true for other vaccines in their first years. And vaccination rates among males is extremely low.
AMA J Ethics. 2015;17(9):854-857. doi:
10.1001/journalofethics.2015.17.9.msoc1-1509.
Introduction of an intervention that reduces the perceived risk of a given behavior may cause a person to increase risky behavior—this is called “risk compensation.”