A disease when one is infected with the virus a second time are at a significantly greater risk of developing severe disease.
Dengue: viral disease transmitted by the bite of Aedes mosquite. Check out this infographic explaining facts on dengue fever.
![](https://sciteum.com/wp-content/uploads/2019/09/dengue-infographic.jpg)
Facts excerpted from various sources
Inforgraphic by Mansi Gupta