[bialpio]

This post was interesting to me and would mean that if the shot got into your bloodstream, it could've been mis-administered? https://news.ycombinator.com/item?id=27464226

[pmccarren]

That is very intriguing.

The location of injection site was spot on. However, I'm unsure if there are other factors at work beyond specifically location

[nicoburns]

I was also wondering that. There was only the tiniest spot of blood when I got mine.