En present with fever, rash, headache, and myalgia but can also develop into much more serious cases of Dengue Hemorrhagic Fever and Dengue Shock Syndrome (DHF/DSS). Cases of DHF/DSS are increasing rapidly as the virus increases in geographic range, with approximately 25-37 of symptomatic cases of denguePage 1 of(page number not for citation purposes)Virology Journal 2009, 6:http://www.virologyj.