Statistics and Maps – 2021
CDC Disease Maps
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 January 5, 2022
- This webpage contains provisional data reported to ArboNET for 2021.
US States
- 117 dengue cases reported
US Territories
- 513 dengue cases reported
States and territories reporting dengue cases – United States, 2021 (as of January 5, 2022)

*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 January 5, 2022)
Travel-associated cases No. (%) |
Locally-transmitted cases No. (%) |
|
---|---|---|
State | (N=117) | (N=0) |
Alabama | 1 (1) | 0 (-) |
Arizona | 8 (7) | 0 (-) |
California | 17 (15) | 0 (-) |
Colorado | 3 (3) | 0 (-) |
Delaware | 1 (1) | 0 (-) |
District of Columbia | 1 (1) | 0 (-) |
Florida | 19 (16) | 0 (-) |
Illinois | 6 (5) | 0 (-) |
Indiana | 1 (1) | 0 (-) |
Iowa | 2 (2) | 0 (-) |
Louisiana | 1 (1) | 0 (-) |
Maryland | 2 (2) | 0 (-) |
Massachusetts | 4 (3) | 0 (-) |
Michigan | 4 (3) | 0 (-) |
Minnesota | 1 (1) | 0 (-) |
Nebraska | 3 (3) | 0 (-) |
New Jersey | 10 (9) | 0 (-) |
New York | 10 (9) | 0 (-) |
North Carolina | 1 (1) | 0 (-) |
Ohio | 3 (3) | 0 (-) |
Pennsylvania | 3 (3) | 0 (-) |
Rhode Island | 1 (1) | 0 (-) |
South Carolina | 1 (1) | 0 (-) |
Tennessee | 1 (1) | 0 (-) |
Texas | 10 (9) | 0 (-) |
Washington | 2 (2) | 0 (-) |
Wisconsin | 1 (1) | 0 (-) |
Travel-associated cases No. (%) |
Locally-transmitted cases No. (%) |
|
---|---|---|
Territories | (N=3) | (N=510) |
Guam | 0 (0) | 1 (0) |
Puerto Rico | 3 (100) | 509 (100) |
Page last reviewed: January 7, 2022