Do hand sanitizers really kill 99.99% of germs? How can they prove that’s true?

Question

Do hand sanitizers really kill 99.99% of germs? How can they prove that’s true?

In: Biology

Answer 1

I’ve heard that the claim is a prevarication. That the product can kill 99.x% of the type of germs against which it was tested, not that it kills 99.x% of the germs on the surface on which it is being used.