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Map of the United States showing WNV Human disease cases.

National & state maps (including county-level data) from 2003 – present.

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 November 6, 2019

  • This webpage contains provisional data reported to ArboNET for 2019.

US States

  • 865 dengue cases reported

US Territories

  • 38 dengue cases reported

States and territories reporting dengue cases – United States, 2019 (as of November 6, 2019)

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, 2019 (as of November 6, 2019)

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=852) (N=13)
Alabama 3 (0) 0 (0)
Arizona 14 (2) 0 (0)
Arkansas 2 (0) 0 (0)
California 140 (16) 0 (0)
Colorado 23 (3) 0 (0)
Connecticut 1 (0) 0 (0)
Delaware 3 (0) 0 (0)
District of Columbia 4 (0) 1^ (8)
Florida 286 (34) 12 (92)
Georgia 2 (0) 0 (0)
Hawaii 7 (1) 0 (0)
Idaho 2 (0) 0 (0)
Illinois 30 (4) 0 (0)
Indiana 11 (1) 0 (0)
Iowa 5 (1) 0 (0)
Kansas 3 (0) 0 (0)
Louisiana 3 (0) 0 (0)
Maine 1 (0) 0 (0)
Maryland 12 (1) 0 (0)
Massachusetts 8 (1) 0 (0)
Michigan 8 (1) 0 (0)
Missouri 3 (0) 0 (0)
Montana 3 (0) 0 (0)
Nebraska 6 (1) 0 (0)
Nevada 5 (1) 0 (0)
New Jersey 54 (6) 0 (0)
New Mexico 1 (0) 0 (0)
New York 67 (8) 0 (0)
North Carolina 10 (1) 0 (0)
Ohio 8 (1) 0 (0)
Oregon 9 (1) 0 (0)
Pennsylvania 21 (2) 0 (0)
Rhode Island 7 (1) 0 (0)
South Carolina 6 (1) 0 (0)
South Dakota 1 (0) 0 (0)
Tennessee 5 (1) 0 (0)
Texas 35 (4) 0 (0)
Utah 7 (1) 0 (0)
Vermont 2 (0) 0 (0)
Virginia 12 (1) 0 (0)
Washington 13 (2) 0 (0)
Wisconsin 9 (1) 0 (0)
Travel-associated cases
No. (%)		 Locally-transmitted cases
No. (%)
Territories (N=15) (N=23)
Guam 8 (53) 10 (44)
Northern Mariana Islands 1 (7) 0 (0)
Puerto Rico 6 (40) 13 (56)

^Anti-DENV IgM antibody detected for this case may be a result of an infection that occurred during travel to a dengue-endemic country months prior to illness onset

Page last reviewed: November 7, 2019
Content source: Centers for Disease Control and Prevention, National Center for Emerging and Zoonotic Infectious Diseases (NCEZID), Division of Vector-Borne Diseases (DVBD)