What is the benefit of microbes discovery?

The discovery of microbes hag helped to prevention and eradication of various diseases, bacteria was also discovered which caused diseases. Mosquitoes were also responsible for various diseases. Another class of microbes are virus which causes common cough, cold and viral infections. There is a close connection between the diseases and the poor sanitary conditions. Thus many diseases depend. on the living condition of man.

Microbes are of four types: bacteria, virus, protozoa and fungi. All these enter the human body through unclean, food or, water. After entering the body, they penetrate other organs of the body as the liver and lungs.