Version July 2025
| Factor | Low risk | High risk |
| Viral factors | ||
| Viral serotype | Dengue-2 virus | |
| Viral genotype | "Asian" genotypes | |
| Host factors | ||
| Immunity | Prior dengue virus infection | |
| Age | Adult | |
| Nutrition | Malnourished | Obesity |
| Genetics | Black | |
