Case Counts in the US
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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)§
§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
| 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) |
*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
- Page last reviewed: February 4, 2016
- Page last updated: August 18, 2016
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