We shall examine common examples of pathogenic disease where water pollution is responsible in part or in whole. The diseases include infection by one of four major categories of organisms: 1. Enteric viruses, 2. Bacteria, 3. Protozoans, and 4. Worms. 1. Viral Infections: Viruses are properly identified as obligate, intracellular parasites. This means that, while they can survive in the [...]
Water borne disease range in severity from mild to life threatening illness, and their significance is often under-estimated. These disorders may also cause chronic health problems. Water-borne diseases constitute a wide spectrum, and are manifested by acute watery diarrhoea contributing to 50% of diarrhoea-related deaths, 30-35% are due to persistent diarrhoea and 15-20% due to dysentery. In cities, especially in [...]
After reading this article you will learn about the prevention of disease caused by mosquito. But of all insects that transmit diseases, the mosquito represents by far the greatest menace. It remains mankind's most indomitable foe, resisting costly efforts to eradicate or even control it. The mosquito is the vector for different diseases such as malaria, dengue fever and yellow [...]