text:  And we'll get to that very shortly. I don't know if you heard about this, but the Guardian is saying that the threat level to humans with regard to this avian flu is much higher than we were led to believe. According to a virologist, Professor Paul Digard, who's been studying the current outbreak, he says flu is constantly evolving. And it's clear that a couple of years ago, the current strain of bird flu changed to become supercharged.