Answer using Giardias, Shiga-toxin producing E.coli 1.Causative Agnet of Disease : 2.Type of Agent ( eg. Virus,bacterium) : 3.Further Classification ( eg.Gram type,viral serotype) : 4.How is disease diagnosed? 5.How is the disease treated? 6.How can the disease be prevented? 7.Distinguishing characteristics of organism (what makes the organism unique such as virulence factors that are required for disease, unique attributes that aid or prohibit the identificaiton of the organism ): Solution 1). Giardiasis is an infectious disease caused by a parasite called Giardia lamblia. It is spread through eating contaminated food, contact with the infected people, contaminated water and through pets. This organism is generally found thought the worlds, particularly in the developing countries..