[QuarterReptile]

Sometimes I feel like I repeat myself.

Would someone who is flagging this comment please, instead, respond to it? If it is so trivially dismissed, please show the rest of us.

[sjg007]

The argument that this is a semantic game is not a very good one. The whole point of the article is to demonstrate that there really is no such thing as a sterilizing vaccine; As our scientific knowledge and technology has improved over the years we see that.