Dengue fever, a very old disease, has reemerged in the past 20 years with an expanded geographic distribution of both the viruses and the mosquito vectors, increased epidemic activity, the development
1Reported as number of individuals with finding/number of individuals in the category. For example, diarrhea is reported as 26/161 under Dengue Fever implying that 26 patients had diarrhea out of 161