Historical Data

Summary of Zika Cases

Total annual Zika disease cases for the past four years were as follows:

The data table below includes 11 cases of Zika virus disease likely transmitted by mosquitoes in Cameron and Hidalgo counties. All other cases were related to travel to areas with ongoing Zika transmission, including two cases acquired by sexual contact with travelers and four cases passed from mother to child before birth.

See the latest Zika cases.

2016-2018 Reported Zika Cases

Texas Zika Cases by County
County 2016 Cases 2017 Cases 2018 Cases
Angelina 2* 0 0
Bastrop 1 0 0
Bell 7 0 0
Bexar 21 4 0
Brazoria 2 1 0
Brazos 4 1 0
Burnet 1 0 0
Cameron 26† 14‡ 0
Collin 8 3 1
Dallas 44* 3 0
Denton 9 1 0
El Paso 3 0 0
Ellis 1 0 0
Fort Bend 11 0 0
Frio 1 0 0
Galveston 9 0 0
Gray 1 0 0
Grayson 1 0 0
Gregg 1 0 0
Hamilton 1 0 0
Harris 74 11 0
Hays 1 0 0
Hidalgo 6 8‡ 0
Hockley 1 0 0
Jackson 1 0 0
Jefferson 2 0 0
Jones 1 0 0
Kerr 0 1 0
Lee 1 0 0
Lubbock 1 1 0
Matagorda 1 0 0
Medina 1 0 0
Midland 1 0 0
Montgomery 1 0 0
Navarro 1 0 0
Palo Pinto 1 0 0
Parker 1 0 0
Randall 1 0 0
Rusk 1 0 0
Smith 1 2 0
Starr 1 0 0
Tarrant 28 1 0
Travis 18 1 0
Upshur 1 1 0
Val Verde 1 0 0
Walker 1 0 0
Webb 6 1 0
Willacy 1 0 0
Williamson 5 1 2
Wise 1 0 0

last updated January 15, 2019