Wednesday, March 25, 2009

Stop The Spread

There are many ways in which microorganisms can infect us, and for diseases to spread.

Thus, we must equip ourselves with the knowledge of how diseases are spread and how we can take preventive measures to stop the spread of these disease.


The common cold

The common cold is a disease of the upper respiratory tract. It is highly contagious.

Some of its common symptoms are sore throat, runny nose, nasal congestion, sneezing and coughing, which are sometimes accompanied by the 'pink eye', muscle aches, fatigue and loss of appetite.

The common cold virus is transmitted between people:

* In aerosol form generated by coughing, sneezing;

* From contact with the saliva or nasal secretions of an infected person, either directly or from contaminated surfaces.

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