Expert say this year's flu vaccine appears to be a much better match to the current virus than the vaccine used in 2007, and there have been no major flu outbreaks so far this year. But doctors say that even if people manage to evade the flu, they may not make it through winter unscathed. Cases of norovirus, a nasty gastrointestinal bug, are on the rise this winter, as are colds. In this article, a reporter talks to doctors about how to deal with these bugs, and how sufferers can know when they...