Write a short paragraph on the harms caused by microorganisms.

Microorganisms can prove very harmful to us, as they cause a number of human, animal and plant diseases. Diseases in humans like common cold, tuberculosis, measles, chicken pox, polio, cholera, typhoid, hepatitis B, malaria, etc. are caused by microorganisms. Some serious diseases like Anthrax is also caused in animals by the microbes. Microbes also cause diseases of plants like blights in potatoes, sugarcanes, oranges etc. They also reduce the yield. Besides causing diseses these microorganisms lead to spoilage of food and even cause food poisoning. Microbes also spoil clothings and products.