A disease occurs when a disease- causing agent, or pathogen, meets the right host organism under environmental conditions favorable to disease development. These three elements, pathogen, host, and environmental conditions, make up the disease triangle.

What is the disease triangle explain in your own words?

A disease occurs when a disease- causing agent, or pathogen, meets the right host organism under environmental conditions favorable to disease development. These three elements, pathogen, host, and environmental conditions, make up the disease triangle.

What is the disease triangle and tetrahedron?

A disease pyramid or tetrahedron, which allows for the addition of a fourth causal factor of disease. Humans factor into the disease triangle because the influence of human activity on disease is pervasive in agriculture and, perhaps to a lesser degree, in lower input systems such as forestry and range management.