Describe three factors that influence the occurrence of disease for a Salmonella foodborne outbreak. Health and medical homework help

According to the epidemiologic triad, there are three factors that influence the occurrence of disease:

Etiologic agent
Host factors
Environmental factors

Describe each of these factors for a Salmonella foodborne outbreak. What are some of the host factors that can influence the occurrence of a disease?
Be sure to support your essay with evidence from the literature
Centers for Disease Control and Prevention. Salmonellosis. Technical Information. Retrieved on 10/1/13 fromhttp://www.cdc.gov/salmonella/