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Zika virus disease in the United States, 2015–2016

As of May 25, 2016 (5 am EST)

  • Zika virus disease and Zika virus congenital infection are nationally notifiable conditions.
  • This update from the CDC Arboviral Disease Branch includes provisional data reported to ArboNET for January 1, 2015 – May 25, 2016.

US States

  • Travel-associated cases reported: 591
  • Locally acquired vector-borne cases reported: 0
  • Total: 591
    • Sexually transmitted: 11
    • Guillain-Barré syndrome: 1

US Territories

  • Travel-associated cases reported: 4
  • Locally acquired cases reported: 935
  • Total: 939
    • Guillain-Barré syndrome: 5

Map of the United States showing Travel-associated and Locally acquired cases of the Zika virus. The locations and number of cases can be found in the table below.

Laboratory-confirmed Zika virus disease cases reported to ArboNET by state or territory — United States, 2015–2016 (as of May 25, 2016)

States Travel-associated cases*
No. (%)
(N=591)		 Locally acquired cases†
No. (%)
(N=0)
Alabama 2      (<1) 0    (0)
Arizona 3      (1) 0    (0)
Arkansas 3      (1) 0    (0)
California 44    (7) 0    (0)
Colorado 2      (<1) 0    (0)
Connecticut 1      (<1) 0    (0)
Delaware 3      (1) 0    (0)
District of Columbia 4      (1) 0    (0)
Florida 121  (20) 0    (0)
Georgia 15    (3) 0    (0)
Hawaii 9      (2) 0    (0)
Illinois 16    (3) 0    (0)
Indiana 6      (1) 0    (0)
Iowa 6      (1) 0    (0)
Kansas 2      (<1) 0    (0)
Kentucky 5      (1) 0    (0)
Louisiana 4      (1) 0    (0)
Maine 5      (1) 0    (0)
Maryland 17    (3) 0    (0)
Massachusetts 16    (3) 0    (0)
Michigan 4      (1) 0    (0)
Minnesota 17    (3) 0    (0)
Mississippi 3      (1) 0    (0)
Missouri 3      (1) 0    (0)
Montana 1      (<1) 0    (0)
Nebraska 2      (<1) 0    (0)
Nevada 6      (1) 0    (0)
New Hampshire 3      (1) 0    (0)
New Jersey 14    (2) 0    (0)
New Mexico 1      (<1) 0    (0)
New York 127  (22) 0    (0)
North Carolina 12    (2) 0    (0)
Ohio 12    (2) 0    (0)
Oklahoma 4      (1) 0    (0)
Oregon 6      (1) 0    (0)
Pennsylvania 19    (3) 0    (0)
Rhode Island 4      (1) 0    (0)
South Carolina 1      (<1) 0    (0)
Tennessee 3      (1) 0    (0)
Texas 36    (6) 0    (0)
Utah 2      (<1) 0    (0)
Vermont 1      (<1) 0    (0)
Virginia 15    (3) 0    (0)
Washington 3      (1) 0    (0)
West Virginia 6      (1) 0    (0)
Wisconsin 2      (<1) 0    (0)
     
Territories (N=4) (N=935)
American Samoa 0      (0) 17      (2)
Puerto Rico 3      (75) 903    (96)
US Virgin Islands 1      (25) 15      (2)

*Travelers returning from affected areas, their sexual contacts, or infants infected in utero
†Presumed local mosquito-borne transmission

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