Lost of taste is listed in.my wife's medical science ce journal as a side affect of the common cold. It is due to inflammation of the nasal.cavity, a coating of sinus fluids that attack the virus which hinder the ability to smell which is direct related to taste. In fact my nose is so stuffed from allergies as inspeak I can't even taste my coffee except for the bitterness. That's the tongue that gives you that, salt Nd sweet taste.