"Vaccination policies in countries around the world are so varied and fractured they almost seem Canadian. While some countries focus on educating their populace about the benefits of vaccination while leaving the choice to individuals, others offer financial incentives or have made vaccinations mandatory to ensure high coverage rates.
Enforcement is another issue. Several countries with mandatory vaccination policies opt not to enforce them. And most everyone appears to agree that vaccination programs must allow for medical exemptions." - Mandatory vaccinations: The international landscape (part of a three-part series on mandatory vaccination)