Statistics and Maps - 2021

Dengue cases in the US

  • Dengue virus disease became a nationally notifiable condition in 2010.
  • Cases are reported to CDC by state, territorial, and local health departments using standard case definitions.

Provisional data* as of  April 7, 2021

  • This webpage contains provisional data reported to ArboNET for 2021.

US States

  • 7 dengue cases reported

US Territories

  • 194 dengue cases reported

States and territories reporting dengue cases – United States, 2021 (as of April 7, 2021)

Map of the United States showing Laboratory-positive travel-associated and locally-acquired dengue cases. See table below.

*CDC reports provisional dengue case counts reported to ArboNET for the United States and its territories on the first Thursday of each month.

Table 1: Dengue cases reported to ArboNET by state or territory of residence – United States, 2021 (as of April 7, 2021)

Laboratory-positive travel-associated and locally-acquired dengue cases from the 50 states and territories – United States
Travel-associated cases
No. (%)
Locally-transmitted cases
No. (%)
State  (N=7) (N=0)
Arizona 2 (29) 0 (-)
Nebraska 2 (29) 0 (-)
Ohio 1(14) 0 (-)
Oregon 1(14) 0 (-)
Texas 1(14) 0 (-)
Travel-associated cases
No. (%)
Locally-transmitted cases
No. (%)
Territories (N=2) (N=192)
Puerto Rico 2 (100) 192 (100)