Common cold is actually a group of diseases, all having the similar symptoms such as cough, runny nose, sore throat, and occassionally fever with headache.
The common cold is caused by viruses, tgy germs that spread by coughs and sneezes.
Common virues leading to comon cold are rhinovirus, adenovirus and coronavirus.
Most common colds are not caused by influenza virus.
The fact is, a common cold normally gets better on its own even if we do nothing about it.
(Source: Dr C.L. Teng, Aacchhooo! understand that the common cold is very different from flu. The Star’s Fit4Life, 1 August 2010)
How to avoid a cold?
Detoxify your body is the answer. Switch to health food to achieve this. For this reason, I have not experienced a cold for the last 15 years.