Communicable Diseases

Communicable Diseases
Communicable Diseases

In medicine, diseases are divided into two broad groups:-Communicable and Non-communicable diseases. Simply speaking, communicable diseases spread to persons within a community, state, country and to several parts of the world in a pandemic. On the other hand, a non-communicable disease cannot spread to any other person in a community from a person who has it; it remains with the person who has it.

1. Definition of communicable disease

A communicable disease is a disease that can spread from an infected person, animal or reservoir through a germ or its toxic product to another person. The transfer of this infectious germ can be direct by consumption of contaminated food or water OR indirectly through intermediate animals/plants, vector (e.g. mosquitoes) or in-animate objects such as handkerchiefs, door handles, cups etc.

2. Global situation of communicable diseases

Communicable diseases are more common in poor and under developed countries than in rich and developed countries such as the USA.

According to the World Health Organization (WHO), by 2004, Non-communicable diseases accounted for 47% of diseases globally while Communicable diseases accounted for 53%. However, non-communicable diseases accounted for almost 60% of deaths; thus while they account for less number of diseases, non-communicable diseases account for more deaths. 

3. Examples of communicable diseases

The common Communicable Diseases include Malaria, Typhoid fever, Polio, Ebola, Cholera, Yellow fever, TB, Meningitis, Whooping cough and Tetanus.

4. Prevention of communicable diseases

Communicable Diseases can be prevented by Potable water supply, Personal hygiene, Food hygiene, Environmental hygiene, Immunization and Knowledge of the disease.

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