https://goo.gl/FmhaAp https://goo.gl/FmhaAp Nothing bullet-proof definitive here, but the consensus certainly seems to be that colds are caused by virus enteri

https://goo.gl/FmhaAp https://goo.gl/FmhaAp Nothing bullet-proof definitive here, but the consensus certainly seems to be that colds are caused by virus entering the respiratory system, nothing more.