By Jayne Morgan, M.D.,Executive Director of Health and Community EducationThe holidays are upon us and there is a lot to spread beyond good cheer this season. As we re-enter the world of hugs, kisses, embraces, and friends and family time, swirling in the wind are invisible possibilities that could severely put a damper on your holiday festivities and celebrations. So, let’s review the three most common virus downers to ensure you are ready with both discernment and information.How long is the common cold contagious?The cold can be spread for up to two weeks, including before symptoms even appear. In fact, you will have the ability to spread the cold virus to others for a few days before your symptoms begin. That’s why we see it “go through” households.You are contagious for the entire period of time symptoms are present, all the way until they disappear. Keep in mind, however, when your symptoms are at their worst - generally the first two to three days - you are at your most infectio...