One way to avoid colds and flu is to wash your hands, said Dr. Sampson Davis, an emergency medicine doctor at St. Michael's Medical Center in Newark, N.J.
http://www.newsday.com/news/health/holiday-health-and-safety-another-list-to-be-checking-twice-1.6511260
http://www.newsday.com/news/health/holiday-health-and-safety-another-list-to-be-checking-twice-1.6511260