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2022 West Nile Virus Activity

This map details mosquitoes, dead birds, chickens, and horses that have tested positive for West Nile virus. You can zoom in and out of the map and click on the placemarkers to get a detailed description of the date the positive activity was confirmed and the approximate location.

May contain: cutlery, spoon, chart, and plot

 For information regarding human cases, please click here.


Mosquito Samples: 2
nDate CollectedCityCross StreetsSpecies
17/25/22OakleyMain Street x Oakley RoadCulex tarsalis
28/8/22BrentwoodOrwood Tract x Levee RoadCulex pipiens
Dead Birds: 1
nDate ReportedCityCross StreetsSpecies
15/4/22BrentwoodMarsh Creek Rd x Fertado LnAmerican Crow


Sentinel Chicken Flocks: 0

Note: Chickens do not die from West Nile virus. They develop antibodies to the virus which is detected in their blood.

 #/6Date BleedArea
1/68/22/22Holland Tract
2/59/6/22Holland Tract
2/59/19/22Holland Tract


Horses: 0
nDate ReportedCityDead/Euthanized