"Well, it's possibly that it isn't the flu at all." In fact, it was likely. Genetic mutation wasn't the only thing that had change in twenty years of medicine, and now flu shots were almost as good as a year-long vaccination. Flu symptoms now probably meant only one thing. "But I'm afraid I have some bad news. I'm going to need some blood to test." She gave him a sympathetic look. "Sorry Carter. I know you don't like needles."