Originally Posted by ElkSlayer91
Originally Posted by MM879
Please tell me when a virus is not active in a population? Foolish

Smallpox in the USA you complete FOOL.

You're a dumbazz, and a troll.

Oh and Polio, you know, the example I used above, you FOOL.

That's two. Do you need more evidence to prove you ARE a COMPLETE FOOL?

I wonder how a non-sterilising vaccine like rotavirus vaccine works so well in a population in which the virus has been endemic...

Kinda disproves your point.