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Zika virus disease in the United States, 2015–2016

As of June 29, 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 01, 2015 – June 29, 2016.

US States

  • Locally acquired mosquito-borne cases reported: 0
  • Travel-associated cases reported: 934
  • Laboratory acquired cases reported:  1
  • Total: 935
    • Sexually transmitted: 13
    • Guillain-Barré syndrome: 4

US Territories

  • Locally acquired cases reported: 2,020
  • Travel-associated cases reported: 6
  • Total: 2,026*
    • Guillain-Barré syndrome: 10

*Sexually transmitted cases are not reported for areas with local mosquito-borne transmission of Zika virus because it is not possible to determine whether infection occurred due to mosquito-borne or sexual transmission.

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 June 29, 2016)

States Travel-associated cases*
No. (% of cases in states)
(N=935)		 Locally acquired cases†
No. (% of cases in states)
(N=0)
Alabama 2      (<1) 0    (0)
Arizona 6      (1) 0    (0)
Arkansas 5      (1) 0    (0)
California 55    (6) 0    (0)
Colorado 8      (1) 0    (0)
Connecticut 1      (<1) 0    (0)
Delaware 5      (1) 0    (0)
District of Columbia 6      (1) 0    (0)
Florida 182  (20) 0    (0)
Georgia 26    (3) 0    (0)
Hawaii 10    (1) 0    (0)
Illinois 16    (2) 0    (0)
Indiana 10    (1) 0    (0)
Iowa 7      (1) 0    (0)
Kansas 5      (<1) 0    (0)
Kentucky 6      (1) 0    (0)
Louisiana 6      (1) 0    (0)
Maine 6      (1) 0    (0)
Maryland 31    (3) 0    (0)
Massachusetts 32    (3) 0    (0)
Michigan 10    (1) 0    (0)
Minnesota 19    (2) 0    (0)
Mississippi 3      (<1) 0    (0)
Missouri 5      (1) 0    (0)
Montana 1      (<1) 0    (0)
Nebraska 2      (<1) 0    (0)
Nevada 7      (1) 0    (0)
New Hampshire 4      (1) 0    (0)
New Jersey 21    (2) 0    (0)
New Mexico 3      (<1) 0    (0)
New York 236  (25) 0    (0)
North Carolina 16    (2) 0    (0)
Ohio 16    (2) 0    (0)
Oklahoma 6      (1) 0    (0)
Oregon 7      (1) 0    (0)
Pennsylvania†† 31    (3) 0    (0)
Rhode Island 15    (2) 0    (0)
South Carolina 6      (<1) 0    (0)
Tennessee 8      (1) 0    (0)
Texas 49    (5) 0    (0)
Utah 2      (<1) 0    (0)
Vermont 2      (<1) 0    (0)
Virginia 27    (3) 0    (0)
Washington 6      (1) 0    (0)
West Virginia 6      (1) 0    (0)
Wisconsin 2      (<1) 0    (0)
     
Territories Travel-associated cases*
No. (% of cases in territories)
(N=6)		 Locally acquired cases†
No. (% of cases in territories)
(N=2,020)
American Samoa 0      (0) 29      (1)
Puerto Rico 5      (83) 1,970 (98)
US Virgin Islands 1      (17) 21      (1)

*Travelers returning from affected areas, their sexual contacts, or infants infected in utero
†Presumed local mosquito-borne transmission
†† One additional case acquired through laboratory transmission

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