Respiratory infections such as influenza and the common cold are most often spread when infected people cough and sneeze and others come into contact with those droplets - either in the air or on objects touched by both groups. The best way to prevent infection is to practice good health habits:
What a difference those numbers can make! For example, children who wash their hands at least four times a day missed 51% fewer school days from an upset stomach and 24% fewer school days from colds and influenza.