CDC Updates Zika Statistics for U.S. and Territories

The Centers for Disease Control published new statistics this week on reported Zika cases in the United States and U.S. Territories. The update, from the CDC Arboviral Disease Branch, includes provisional data reported to the branch's ArboNET for Jan. 1, 2015, to Nov. 16, 2016.  

The largest number of locally acquired cases is in Puerto Rico, where the Department of Health has retroactively reported a total of 31,294 cases, plus another 115 cases associated with travel. In the continental U.S., New York has the largest number of travel-related cases, with 905. The only state reporting locally acquired cases is Florida, at 139, plus another 708 cases in Florida stemming from travel.

Following is a summary of the findings, including Zika-related instances of Guillain-Barré syndrome. 

United States

  • Locally acquired mosquito-borne cases reported: 139
  • Travel-associated cases reported: 4,115
  • Laboratory acquired cases reported: 1
  • Total: 4,255

     ° Sexually transmitted: 35 
     ° Guillain-Barré syndrome: 13 

U.S. Territories

  • Locally acquired cases reported: 31,951
  • Travel-associated cases reported: 117
  • Total: 32,068*

     ° Guillain-Barré syndrome: 50 

* Sexually transmitted cases are not reported for U.S. territories because, with local transmission of the Zika virus, it is not possible to determine whether the infection occurred due to mosquitos or sexual transmission.

Click here for more information, and a breakdown by state and territory.