When epidemiologists are working to track a disease, the three elements that they focus on are the agent, the host, and the environment. Following are explanations of each element.
When epidemiologists are working to track a disease, the three elements that they focus on are the agent, the host, and the environment. Following are explanations of each element. The agent is what causes the disease. The agent is often a virus or bacteria but can also be caused by other agents. In the scenario, described in the Introduction, the agent is the E.coli bacteria. The host refers to those who are contracting the disease. The host doesn’t necessarily become […]

