Question

most diseases are transmitted by food,water and air.comment.

Answer 1

Most of the infectious diseases are spread through air, food and water. There are vareirty of microorganisms in nature which grow in different environments. These microbes grow and get transmitted from medium such as waterfood ,air and cause diseases. Air is the most important means of carrier of these diseases. When a person sneezes or coughs the droplets of pathogens are expelled into the air which are picked up by an healthy person. The air borne diseases are Tuberculosis,H1N1 etc.Food borne diseases are mostlt diarrhea vomitting etc because of the consumption of food contaminated with bacteria.Water gets polluted by many reason such water then becomes a ground for many pathogenic microorganismswhen we consume such polluted water then we are prone to infectious diseases such as cholera etc.