Prevalence of Dengue Fever

Cases of Dengue Fever have increased dramatically in the last 50 years. The graph below illustrates the rapid change in reported Dengue Fever cases; 

http://www.who.int/csr/disease/dengue/impact/en/

Now in 2014 who exactly is effected by the infectious disease? 

- Half of the population is now at risk of contracting dengue
- Dengue is endemic in more than 100 countries in Africa, the Americas, the  
  Eastern Mediterranean, South-east Asia and the Western Pacific
- Up to 100 million cases of Dengue Fever are reported per year
- Dengue is predominantly found in areas of overcrowding and major urban
   centers
- Leading cause of serious illness and death among children in some Asian and
   Latin American countries.