Two reasons I can think of: helping in the decision when to knock off the WuFlu avoidance crap, and whether or not to get the vaccine.
Well, I’ve never had a flu vaccination and I don’t intend to get one for this, so that one’s out.
And I’ve never subscribed to the WuFlu avoidance crap. So that one is not relevant either.
I do take zinc suplements, drink lots of coffee as usual, and watch my diet. I don’t wash my hands much and am an avid nail biter. I also rarely get sick and that may be why. I figure if this thing even enters my body I’ll either be asymptomatic or I might get a little cough before my body roots it out and waterboards it before giving it the heave ho.