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Case Counts in the US

As of August 17, 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 – August 17, 2016.

US States

  • Locally acquired mosquito-borne cases reported: 14
  • Travel-associated cases reported: 2,245
  • Laboratory acquired cases reported:  1
  • Total: 2,260
    • Sexually transmitted: 22
    • Guillain-Barré syndrome: 7

MAPS OF ZIKA IN THE US

US Territories

  • Locally acquired cases reported: 8,000
  • Travel-associated cases reported: 35
  • Total: 8,035*
    • Guillain-Barré syndrome: 25

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

Laboratory-confirmed Zika virus disease cases reported to ArboNET by state or territory — United States, 2015–2016 (as of August 17, 2016)§
States Travel-associated cases*
No. (% of cases in states)
(N=2,246)
Locally acquired cases†
No. (% of cases in states)
(N=14)
Alabama 11    (<1) 0    (0)
Arizona 17    (1) 0    (0)
Arkansas 9      (<1) 0    (0)
California 137    (6) 0    (0)
Colorado 21    (1) 0    (0)
Connecticut 49    (2) 0    (0)
Delaware 10    (<1) 0    (0)
District of Columbia 11    (<1) 0    (0)
Florida 405  (18) 14    (100)
Georgia 48    (2) 0    (0)
Hawaii 10    (<1) 0    (0)
Idaho 1      (<1) 0    (0)
Illinois 45    (2) 0    (0)
Indiana 24    (1) 0    (0)
Iowa 13      (1) 0    (0)
Kansas 9      (<1) 0    (0)
Kentucky 10    (<1) 0    (0)
Louisiana 23    (1) 0    (0)
Maine 9      (<1) 0    (0)
Maryland 64    (3) 0    (0)
Massachusetts 59    (3) 0    (0)
Michigan 25    (1) 0    (0)
Minnesota 31    (1) 0    (0)
Mississippi 17    (1) 0    (0)
Missouri 18    (1) 0    (0)
Montana 4      (<1) 0    (0)
Nebraska 6      (<1) 0    (0)
Nevada 13    (1) 0    (0)
New Hampshire 8      (<1) 0    (0)
New Jersey 66    (3) 0    (0)
New Mexico 3      (<1) 0    (0)
New York 579  (26) 0    (0)
North Carolina 35    (2) 0    (0)
North Dakota 1      (<1) 0    (0)
Ohio 33    (1) 0    (0)
Oklahoma 19    (1) 0    (0)
Oregon 14    (1) 0    (0)
Pennsylvania†† 69    (3) 0    (0)
Rhode Island 25    (1) 0    (0)
South Carolina 31    (1) 0    (0)
Tennessee 33    (1) 0    (0)
Texas 108    (5) 0    (0)
Utah 6      (<1) 0    (0)
Vermont 6      (<1) 0    (0)
Virginia 62    (3) 0    (0)
Washington 19    (1) 0    (0)
West Virginia 10       (<1) 0    (0)
Wisconsin 20    (1) 0    (0)
     
Territories Travel-associated cases*
No. (% of cases in territories)
(N=35)
Locally acquired cases†
No. (% of cases in territories)
(N=8,000)
American Samoa 0      (0) 44      (1)
Puerto Rico 34    (97) 7,855 (98)
US Virgin Islands 1      (3) 101      (1)
§Only includes cases meeting the probable or confirmed CSTE case definition and does not include asymptomatic infections unless the case is a pregnant women with a complication of pregnancy
*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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