the root (no rank)
Viruses (domain)
ssRNA positive-strand viruses, no DNA stage (subkingdom)
Flaviviridae (family)
Flavivirus (genus)
dengue viruses (species)
[hide inferior taxa]
dengue virus type 1 (subspecies)
dengue virus type 2 (subspecies)
dengue virus type 3 (subspecies)
dengue virus type 4 (subspecies)