* Includes reported confirmed and probable Zika virus disease cases per the CSTE case definitions.
** Presumptive viremic blood donors are people who reported no symptoms at the time of donating blood, but whose blood tested positive when screened for the presence of Zika virus RNA by the blood collection agency. Some presumptive viremic blood donors develop symptoms after their donation or may have had symptoms in the past. These individuals may be reported as both Zika virus disease cases and presumptive viremic blood donors.
^ Includes 218 cases in Florida and 6 cases in Texas that were acquired through presumed local mosquito-borne transmission.
Provisional data as of May 10, 2017.
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Number of Zika virus cases in the U.S. by state or territory 2016
This graph shows the number of Zika virus disease cases by U.S. state or territory in 2016. In that year, Florida reported symptomatic Zika virus disease cases. Although cases of the Zika virus had been on the rise since 2015, malaria still remained the most serious of the mosquito-borne diseases for at-risk populations worldwide.
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CDC. (October 12, 2017). Laboratory-confirmed Zika virus cases in the United States by state or territory in 2016 [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 31, 2026, from /statistics/580536/zika-virus-cases-in-us-states-or-territories-by-state/
CDC. "Laboratory-confirmed Zika virus cases in the United States by state or territory in 2016." Chart. October 12, 2017. ÌÇÐÄÆÆ½â°æ. Accessed July 31, 2026. /statistics/580536/zika-virus-cases-in-us-states-or-territories-by-state/
CDC. (2017). Laboratory-confirmed Zika virus cases in the United States by state or territory in 2016. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 31, 2026. /statistics/580536/zika-virus-cases-in-us-states-or-territories-by-state/
CDC. "Laboratory-confirmed Zika Virus Cases in The United States by State or Territory in 2016." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 12 Oct 2017, /statistics/580536/zika-virus-cases-in-us-states-or-territories-by-state/
CDC, Laboratory-confirmed Zika virus cases in the United States by state or territory in 2016 ÌÇÐÄÆÆ½â°æ, /statistics/580536/zika-virus-cases-in-us-states-or-territories-by-state/ (last visited July 31, 2026)
Laboratory-confirmed Zika virus cases in the United States by state or territory in 2016 [Graph], CDC, October 12, 2017. [Online]. Available: /statistics/580536/zika-virus-cases-in-us-states-or-territories-by-state/