Texas Maps of West Nile Virus Surveillance Data

West Nile virus is the leading cause of mosquito-borne disease in the U.S. The virus can infect humans, birds, mosquitoes, horses, and some other animals.  

 

View maps illustrating the occurrence of West Nile Virus from 2010 to 2021 in all Texas counties. 

 

Maps of Texas Surveillance Data

2022

2021 

2020

2019 

2018 

2017 

2016 

2015

2014 

2013

2012 

2011

2010

 

Learn more about West Nile Virus