Disease Agents: 5 Main Types of Disease Agents | Human Health | Biology

The following points highlight the five main types of disease agents that causes diseases in humans. 1. Biological Infectious Agents: These are also called pathogens (Gr. pathos means disease; genesis means producing). These are those micro-organisms which when successfully infect the human body, multiply and produce toxins in incubation period which interfere with the normal functioning of the body and [...]