Firstly, humus is not actually type of soil, but is rather a form of mature compost. It can be made either through a composting process or can be found in nature, such as in the rich topsoil found in some forests.
Waterborne Diseases. Waterborne diseases are caused by drinking contaminated or dirty water. Contaminated water can cause many types of diarrheal diseases, including Cholera, and other serious illnesses such as Guinea worm disease, Typhoid, and Dysentery.Water related diseases cause 3.4 million deaths each year.ontaminated water can cause many types of diarrheal diseases, including Cholera, and other serious illnesses such as Guinea worm disease, Typhoid, and Dysentery.
Contaminated food and water can also pose a risk of cholera and a variety of conditions caused by protozoan and helminthic parasites. Many of the infectious diseases associated with contaminated food and water are caused by pathogens transmitted via the fecal-oral route.mong the infectious diseases that travelers can acquire from contaminated food and water are Escherichia coli infections, shigellosis or bacillary dysentery, giardiasis, cryptosporidiosis, norovirus infection, hepatitis A, and salmonelloses, including typhoid fever.