There is no way you can prevent them completely, but your best chance of avoiding them is to wash your hands. Thoroughly. Multiple times a day. It seems almost like adopting a compulsion, but it is the most effective thing you can do to avoid colds. And a handful of other ailments, too.
There is no vaccine effective against colds, and infection does not prevent one from getting colds.
Colds
Research suggests that zinc may help prevent colds and support the immune system.
Veggtables and fruits
Air purifiers can help reduce the spread of germs and allergens in the air, which may help prevent colds and other respiratory illnesses.
-What are the symptons? -What can you do to get rid of them?
Cold sores are common; 80% of us are infected with the virus.
by having medicine simple. ;p
rhinovirus and coronaviruses
It's difficult to produce immunity to a common cold because the common cold is not one virus - it is over 700 viruses at last count. Rarely are more than 200 local to any particular area, but that is still, in effect, 200 different colds you can catch. Children tend to get the most colds, as all colds viruses are "new" to them. The amount of colds a person gets as they get older tends to decline, for that same reason - they've already had most of the indigenous colds viruses.
Strains of Rhinoviruses are the frequent causes of the common cold. Colds are usually caused by the rhinovirus (up to 40% of colds), or Coronaviruses (about 20%), but there are more than 200 viruses that can cause the common cold.
Bacteria do not cause the common cold. It is caused by a virus.