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Pathogens, Diseases and their Prevention

Diseases Caused by Pathogens Pathogens are organisms that cause diseases. Majority of those organisms are micro – organisms which can only be seen by the microscopes.   Diseases Disease means illness or disorder of the body or mind. In other words, disease is a condition of abnormal function involving any structure, part or system of an organism.   Pathogens or Disease Causative agents Bacteria Viruses Fungi Protozoa Worms Vector e.g. insects   Types of disease Communication diseases Non – Communication diseases   Communicable Diseases These are diseases that can be transmitted from one person to another.   Pathogens enter into the body Through the mouth or nose Through the intestine Through the skin Through the anus   Types of Communicable Disease Airborne disease Waterborne disease Contaminated foods disease Contagious/skin contact disease Animal/Insect bites disease Examples of Communicable Disease Measles Malaria Mumps Pneumonia Cholera Ring worm Syphilis Small pox Tuberculosis Whooping… Read More »Pathogens, Diseases and their Prevention

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Malaria:  Malaria is caused by a parasite which is spread by the anopheles mosquito. Typhoid: Typhoid is caused by a bacteria found in urine or faeces. Cholera: Cholera is caused by a bacteria found in contaminated water and food. Dysentery:Dysentery is caused by protozoa (amoeba) found in human faeces. Scabies: Scabies is caused by mites found in places where there is poor personal hygiene.   Bilhazia:  Bilhazia is caused by parasitic snails found in fresh water. Ringworms:  Ringworms are caused by fungi which affects the skin. Tuberculosis (TB):  Tuberculosis is caused by bacteria which affects different parts of the body such as the lungs.   See also: ENVIRONMENT HUMAN DISEASES – BACTERIAL DISEASES SYNTHETIC FIBRES BURNS CUTS AND BRUISES

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