The common cold is a contagious disease.
Viruses spread through the air and through direct contact. Cold
viruses originate inside the nose. Sneezing and coughing
spreads the virus through the air, just as direct contact of the
hands, eyes and face causes contagion.
In order to avoid spreading a cold virus, some simple
rules should be followed:
Wash your hands frequently.
Avoid contact with people who have
maintain an adequate temperature and
humidity in rooms. Viruses spread more easily in low
humidity, while dry air weakens the respiratory tract.
Many people believe that vitamin C helps
prevent colds but its effective use in prevention has not been
conclusively proven. It may, however, be of help in alleviating cold