[jopsen]

If it only affects 2-3 people per year in the US, then is it worth it?

Might it not be better to reduce rabies in wildlife, or spend the money on other kinds of vaccinations?

[maxerickson]

It effects ~50,000 people per year (in the US). It fails a couple.

I guess there is a lot to account for when you start talking about preventative vaccination instead of post exposure vaccination.