In observance of Martin Luther King Jr. Day, Dallas County Offices will be closed Monday, January 20, 2025.

Public Notice: Relocation of the Probate Courts and Clerks’ Offices
The Probate Mental Illness courts will remain open during the move at its current location.
Click here to read the full notice.

West Nile Virus (WNV) Watch 2024

Dallas County Health and Human Services - 2377 N. Stemmons Freeway, Dallas, TX 75207
Telephone: 214-819-2000


Fight the Bite with DCHHS Online Mosquito Services

DCHHS is committed to protecting the health and welfare of the communities we serve from mosquitoes and vector-borne disease. Residents experiencing a mosquito problem may call (214) 819-2115 or click here to set up a free service request.

Scroll down to check if mosquitoes tested positive for West Nile in your zip code in 2024.

 

 

Health officials urge the public to take protective measures by utilizing the ‘4Ds’ to reduce the risk of West Nile virus:

  • DEET - All Day, Every Day:  Whenever outside, use FDA approved insect repellents that contain DEET, picaridin or lemon-eucalyptus oil.
  • DRESS:  Wear long, loose fitting, light-colored clothing when going outdoors.
  • DRAIN:  All areas of standing water in or around your home where mosquitoes can lay their eggs.
  • DAWN TO DUSK:  Limit your time outside during dusk to dawn when mosquitoes are most active.

Please Note:  Cases reflect information received at time of publishing and are subject to change. DCHHS will report additional positive human cases and mosquito pools as they are confirmed.

Data reflect information received at time of last update on November 12, 2024 and are subject to change.
DCHHS will report additional positive human cases and mosquito pools as they are confirmed.

Human West Nile Cases 2024

Case #West Nile Infection TypeCity of ResidenceZip Code
1West Nile Non-Neuroinvasive Disease   Dallas75230 
2West Nile Non-Neuroinvasive Disease   Dallas75230 
3West Nile Non-Neuroinvasive Disease  Coppell75019
4West Nile Neuroinvasive Disease  Dallas 75230 
5West Nile Non-Neuroinvasive Disease  Rowlett75089
6West Nile Non-Neuroinvasive Disease  Garland75044
7West Nile Neuroinvasive Disease Dallas75209
8West Nile Neuroinvasive Disease Dallas75228
9West Nile Neuroinvasive Disease Dallas75227
10West Nile Neuroinvasive Disease Dallas75228
11West Nile Neuroinvasive Disease Mesquite75150
12West Nile Neuroinvasive Disease  Dallas75226
13West Nile Neuroinvasive Disease Farmers Branch75234
14West Nile Neuroinvasive Disease Carrollton75006
15West Nile Neuroinvasive Disease Grand Prairie75052
16West Nile Non-Neuroinvasive Disease  Mesquite75150
17West Nile Neuroinvasive Disease Balch Springs75180
18West Nile Neuroinvasive Disease  Dallas75204
19West Nile Neuroinvasive Disease  Dallas75228
20West Nile Neuroinvasive Disease Garland75040
21West Nile Neuroinvasive Disease Dallas75240
22West Nile Neuroinvasive Disease Dallas75218
23West Nile Non-Neuroinvasive Disease Dallas75238
24West Nile Non-Neuroinvasive Disease Dallas75206
25West Nile Neuroinvasive Disease Dallas75228
26West Nile Non-Neuroinvasive Disease Dallas75248
27West Nile Neuroinvasive Disease Dallas75235
28West Nile Neuroinvasive Disease Mesquite75150
29West Nile Neuroinvasive Disease Dallas75218
30West Nile Neuroinvasive DiseaseDallas75229
31West Nile Neuroinvasive DiseaseGarland75040
32West Nile Non-Neuroinvasive DiseaseDallas75230
33West Nile Neuroinvasive DiseaseCarrollton75006
34West Nile Neuroinvasive DiseaseDallas75211
35West Nile Neuroinvasive DiseaseRichardson75080
36West Nile Neuroinvasive DiseaseSeagoville75159
37West Nile Neuroinvasive DiseaseDallas75218

West Nile Deaths 2024

There are three West Nile associated death reported in Dallas County for the 2024 season.

Positive West Nile Mosquito Samples (Traps & Pools)

Testing for infected mosquitoes is ongoing throughout Dallas County. The following is a list of cities and their corresponding zip codes where mosquito samples have tested positive for West Nile virus.

  • Positive Mosquito Traps = 720
  • Positive Mosquito Pools = 718

Please Note: Traps from the state may not yet be included

Pools Testing Positive by City and Zip Code
CityZip Code
Addison75001 (4); 75254 (3);
Balch Springs75180 (12)
Carrollton75006 (12); 75007 (11); 75010 (5)
Cedar Hill75104 (23)
Cockrell Hill75211 (2)
Coppell75019 (11)
Dallas75208 (4); 75209 (5); 75210 (1); 75211 (6); 75212 (); 75214 (5); 75215 (2); 75216 (4); 75217 (5); 75218 (10); 75219 (1); 75220 (4); 75223 (1); 75224 (4); 75225 (3); 75227 (4); 75228 (4); 75229 (6); 75230 (12); 75231 (1); 75232 (); 75234 (); 75235 (1); 75237 (2); 75238 (3); 75240 (1); 75241 (1); 75243 (9); 75244 (3); 75248 (2); 75252 (6); 75253 (1); 75254 (4); 75287 (2);
DeSoto75115 (32)
Duncanville75116 (7); 75137 (14)
Farmers Branch75234 (20)
Garland75040; (4); 75041 (5); 75042 (2); 75043 (11); 75044 (4)
Grand Prairie
Glenn Heights75154 (16)
Highland Park75205 (5)
Hutchins75241(3)
Irving75038 (7); 75039 (4); 75060 (17); 75061 (19); 75062 (12); 75063 (14)
Lancaster75134 (11); 75146 (22)
Mesquite75181 (21); 75149 (63); 75150 (45)
Red Oak75154 ()
Richardson75080 (20); 75081 (17); 75082 (6)
Rowlett75088 (5); 75089 (12)
Sachse75048 (21)
Seagoville75159 (2)
Sunnyvale75182 (11)
University Park75225 (5); 75205 (16)
Unincorporated Dallas County-Near Wylie75098 (3); 
Wilmer75172 (3); 75146 (1)
 

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