[Xeoncross]

> The current version of hepatitis A [vaccine] grants immunity for life after the second dose.

Wait, this makes it sound fool-proof. I know it's supposed to do this, but how successful is this vaccine at actually doing this for __% of the population?

[Xylakant]

95% for at least 15 years, jo numbers given on lifelong immunity

https://en.m.wikipedia.org/wiki/Hepatitis_A_vaccine