Billy Dee Williams was born William December Williams on April 6, 1937 in New York City. Billy Dee has notched up an impressive array of film and television appearances over the past 50+ years. He is easily best known to international film audiences as the roguish Lando Calrissian in the last two episodes of the original Star Wars-trilogy: Star ... See full bio Â».
Definition of contagious for English Language Learners. : 1  able to be passed from one person or animal to another by touching. : 2  having a sickness that can be passed to someone else by touching. : 3  capable of being easily spread to others : causing other people to feel or act a similar way.
When Am I Most Contagious? Let's assume you're the one with the cold. During the two-week period when you're contagious, research indicates that you'll be most likely to transmit the cold virus when you're experiencing cold symptoms. The period when you're most contagious is when your symptoms are at their worst -- day 2 to day 4 of the cold. You'll become less contagious as the cold symptoms improve. Final Thoughts on the Common Cold Contagious Period Keep in mind that while it is possible to transmit the common cold or catch a cold, a cold virus is not as contagious as other viruses such as the flu virus or RSV (respiratory syncytial virus).