2017 West Nile Virus Activity

The Sacramento-Yolo Mosquito and Vector Control District's ongoing surveillance program has detected West Nile virus activity in Sacramento or Yolo counties in 2017. Archived data is available for 2007 activity, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, and 2016.



For Human and Equine cases, please visit westnile.ca.gov.

West Nile virus positives total for 2017
Sacramento
County
Yolo
County
Total
Sentinel Animals224
Mosquito Samples15387240
Dead Birds8614100

Click here for a map of these locations

Below you will find the breakdown of West Nile virus activity

Sentinel animals tested positive for West Nile virus:
TestedCountyCityZip Code
08/14/2017SacramentoIsleton95601
08/14/2017SacramentoIsleton95601
09/08/2017YoloKnights Landing95645
10/06/2017YoloKnights Landing95645

Mosquito Samples tested positive for West Nile virus:
CollectedCountyCityZip CodeSpecies (# of Mosquitoes in Trap)
06/08/2017SacramentoIsleton95641Cx pipiens (1)
06/08/2017YoloWoodland95695Cx tarsalis (23)
07/04/2017SacramentoSacramento95826Cx pipiens (10)
07/11/2017SacramentoSouth Watt Avenue95829Cx tarsalis (14)
07/11/2017SacramentoSacramento95833Cx pipiens (22)
07/11/2017YoloDavis95618Cx tarsalis (50)
07/11/2017YoloDavis95618Cx tarsalis (50)
07/13/2017SacramentoIsleton95641Cx tarsalis (50)
07/13/2017SacramentoGalt95632Cx tarsalis (10)
07/18/2017SacramentoSouth Watt Avenue95829Cx pipiens (10)
07/18/2017SacramentoSacramento95829Cx tarsalis (50)
07/18/2017SacramentoSacramento95829Cx tarsalis (50)
07/18/2017SacramentoSacramento95829Cx tarsalis (50)
07/18/2017SacramentoSacramento95829Cx pipiens (19)
07/18/2017SacramentoRancho Cordova95826Cx pipiens (15)
07/18/2017SacramentoElk Grove95624Cx pipiens (7)
07/18/2017SacramentoSacramento95832Cx tarsalis (3)
07/20/2017SacramentoElk Grove95757Cx pipiens (39)
07/25/2017SacramentoSacramento95829Cx tarsalis (50)
07/25/2017SacramentoSacramento95829Cx pipiens (3)
07/25/2017SacramentoSacramento95826Cx pipiens (39)
07/25/2017SacramentoSacramento95826Cx pipiens (9)
07/25/2017SacramentoSacramento95826Cx tarsalis (5)
07/25/2017SacramentoSacramento95826Cx pipiens (4)
07/25/2017SacramentoElk Grove95757Cx tarsalis (50)
07/25/2017YoloDavis95618Cx tarsalis (50)
07/27/2017SacramentoIsleton95641Cx pipiens (16)
07/27/2017YoloKnights Landing95645Cx tarsalis (50)
07/27/2017YoloWoodland95695Cx tarsalis (50)
07/27/2017YoloWoodland95695Cx pipiens (25)
07/27/2017YoloWoodland95695Cx tarsalis (50)
07/27/2017SacramentoElk Grove95757Cx pipiens (40)
07/27/2017SacramentoElk Grove95757Cx tarsalis (50)
07/27/2017SacramentoSacramento95835Cx tarsalis (50)
08/01/2017SacramentoSacramento95826Cx tarsalis (28)
08/01/2017SacramentoSacramento95826Cx pipiens (8)
08/01/2017SacramentoSouth Watt Avenue95829Cx tarsalis (37)
08/01/2017SacramentoSacramento95829Cx tarsalis (22)
08/01/2017SacramentoElk Grove95624Cx tarsalis (25)
08/01/2017SacramentoElk Grove95624Cx pipiens (28)
08/01/2017SacramentoElk Grove95757Cx pipiens (50)
08/01/2017YoloDavis95618Cx tarsalis (50)
08/01/2017YoloDavis95616Cx tarsalis (50)
08/01/2017SacramentoSacramento95864Cx pipiens (11)
08/01/2017SacramentoSacramento95825Cx tarsalis (24)
08/01/2017SacramentoSacramento95660Cx pipiens (37)
08/03/2017SacramentoIsleton95641Cx tarsalis (50)
08/03/2017SacramentoIsleton95641Cx tarsalis (50)
08/03/2017SacramentoSacramento95835Cx tarsalis (50)
08/03/2017SacramentoElk Grove95757Cx tarsalis (50)
08/03/2017SacramentoElk Grove95757Cx tarsalis (16)
08/03/2017SacramentoElk GroveCx tarsalis (21)
08/03/2017SacramentoElk Grove95757Cx pipiens (50)
08/03/2017Yolowoodland95695Cx tarsalis (50)
08/03/2017Yolowoodland95695Cx tarsalis (43)
08/03/2017SacramentoHood95757Cx tarsalis (45)
08/03/2017SacramentoHood95757Cx pipiens (24)
08/03/2017SacramentoNorth Highlands95660Cx pipiens (3)
08/03/2017YoloDunnigan95937Cx tarsalis (50)
08/03/2017YoloZamora95698Cx tarsalis (50)
08/03/2017SacramentoElk Grove95757Cx pipiens (5)
08/03/2017YoloKnights Landing95645Cx tarsalis (50)
08/08/2017SacramentoRancho Cordova95670Cx pipiens (5)
08/08/2017SacramentoElk Grove95757Cx pipiens (24)
08/08/2017SacramentoElk Grove95757Cx pipiens (8)
08/08/2017SacramentoElk Grove95757Cx pipiens (42)
08/08/2017SacramentoElk Grove95758Cx pipiens (21)
08/08/2017YoloDavis95618Cx tarsalis (50)
08/08/2017YoloDavis95618Cx tarsalis (50)
08/08/2017YoloDavis95616Cx tarsalis (50)
08/08/2017SacramentoSacramento95825Cx tarsalis (16)
08/10/2017SacramentoElk Grove95757Cx pipiens (50)
08/10/2017SacramentoElk Grove95757Cx pipiens (31)
08/10/2017SacramentoElk GroveCx tarsalis (50)
08/10/2017SacramentoElk GroveCx pipiens (50)
08/10/2017SacramentoElk GroveCx pipiens (50)
08/10/2017SacramentoElk GroveCx pipiens (50)
08/10/2017SacramentoElk Grove95757Cx pipiens (3)
08/10/2017YoloWoodland95695Cx tarsalis (40)
08/10/2017SacramentoSacramento95835Cx tarsalis (50)
08/10/2017YoloWoodland95776Cx tarsalis (50)
08/10/2017YoloYolo95695Cx tarsalis (50)
08/10/2017YoloZamora95698Cx tarsalis (38)
08/10/2017YoloKnights Landing95645Cx tarsalis (50)
08/10/2017YoloDunnigan95937Cx tarsalis (50)
08/10/2017YoloDunnigan95937Cx tarsalis (50)
08/10/2017SacramentoGalt95632Cx pipiens (4)
08/10/2017SacramentoWilton95693Cx tarsalis (28)
08/15/2017SacramentoSacramento95819Cx pipiens (10)
08/17/2017YoloYolo95695Cx tarsalis (33)
08/17/2017YoloDunnigan95937Cx tarsalis (50)
08/17/2017YoloDunnigan95937Cx tarsalis (50)
08/17/2017YoloDunnigan95937Cx tarsalis (50)
08/17/2017YoloWoodland95695Cx tarsalis (19)
08/17/2017SacramentoSacramento95835Cx pipiens (41)
08/17/2017Yolowoodland95776Cx tarsalis (26)
08/17/2017YoloWoodland95695Cx tarsalis (50)
08/17/2017YoloWoodland95695Cx tarsalis (46)
08/17/2017SacramentoWilton95693Cx tarsalis (50)
08/17/2017SacramentoWilton95693Cx tarsalis (20)
08/22/2017SacramentoSouth Watt Avenue95829Cx tarsalis (15)
08/22/2017SacramentoSacramento95828Cx pipiens (50)
08/22/2017SacramentoSacramento95828Cx pipiens (50)
08/22/2017SacramentoSacramento95828Cx pipiens (7)
08/22/2017SacramentoElk Grove95624Cx pipiens (6)
08/22/2017SacramentoElk Grove95757Cx tarsalis (11)
08/22/2017SacramentoElk Grove95757Cx tarsalis (50)
08/22/2017SacramentoElk Grove95757Cx pipiens (50)
08/22/2017SacramentoElk Grove95757Cx tarsalis (50)
08/22/2017SacramentoElk Grove95758Cx pipiens (6)
08/22/2017SacramentoSacramento95819Cx pipiens (13)
08/22/2017YoloDavis95616Cx tarsalis (50)
08/22/2017YoloDavis95616Cx tarsalis (50)
08/22/2017YoloDavis95616Cx tarsalis (27)
08/22/2017YoloWoodland95776Cx tarsalis (50)
08/22/2017YoloWoodland95776Cx tarsalis (50)
08/22/2017YoloWoodland95776Cx tarsalis (50)
08/22/2017YoloWoodland95695Cx tarsalis (50)
08/22/2017SacramentoSacramento95660Cx pipiens (27)
08/25/2017YoloDunnigan95937Cx tarsalis (50)
08/25/2017YoloDunnigan95937Cx tarsalis (50)
08/25/2017YoloDunnigan95937Cx tarsalis (50)
08/25/2017SacramentoGalt95632Cx tarsalis (48)
08/25/2017SacramentoWilton95693Cx tarsalis (50)
08/25/2017SacramentoIsleton95641Cx pipiens (17)
08/29/2017SacramentoElk Grove95757Cx tarsalis (9)
08/29/2017SacramentoElk Grove95823Cx tarsalis (46)
08/29/2017SacramentoElk Grove95823Cx pipiens (11)
08/29/2017SacramentoElk Grove95758Cx tarsalis (13)
08/29/2017SacramentoElk Grove95758Cx pipiens (27)
08/29/2017SacramentoElk Grove95757Cx tarsalis (50)
08/29/2017SacramentoElk Grove95757Cx pipiens (50)
08/29/2017YoloDavis95616Cx tarsalis (50)
08/29/2017YoloDavis95616Cx tarsalis (26)
08/29/2017YoloDavis95616Cx pipiens (4)
08/29/2017YoloDavis95616Cx tarsalis (8)
08/29/2017YoloDavis95616Cx pipiens (4)
08/29/2017YoloDavis95618Cx tarsalis (50)
08/29/2017YoloWoodland95695Cx tarsalis (50)
08/29/2017YoloDavisCx tarsalis (50)
08/29/2017YoloDavis95616Cx tarsalis (50)
08/29/2017YoloDavis95616Cx tarsalis (50)
08/29/2017YoloDavis95616Cx tarsalis (50)
08/29/2017YoloDavis95616Cx tarsalis (50)
08/29/2017YoloDavis95616Cx tarsalis (50)
08/29/2017YoloDavis95616Cx tarsalis (40)
08/29/2017YoloDavis95616Cx pipiens (2)
08/29/2017SacramentoSacramento95841Cx pipiens (23)
08/29/2017SacramentoElverta95626Cx tarsalis (32)
09/01/2017SacramentoHerald95638Cx pipiens (15)
09/01/2017SacramentoWilton95693Cx tarsalis (50)
09/01/2017SacramentoWilton95693Cx tarsalis (36)
09/01/2017SacramentoSacramento95822Cx tarsalis (20)
09/01/2017YoloWoodland95695Cx tarsalis (50)
09/01/2017YoloWoodland95776Cx tarsalis (50)
09/01/2017SacramentoSacramento95837Cx tarsalis (50)
09/01/2017SacramentoRio Linda95673Cx tarsalis (6)
09/01/2017YoloDunnigan95937Cx tarsalis (50)
09/01/2017YoloDunniganCx tarsalis (50)
09/01/2017YoloDunniganCx tarsalis (50)
09/01/2017YoloDunnigan95695Cx tarsalis (50)
09/01/2017YoloDunnigan95695Cx tarsalis (50)
09/01/2017SacramentoElk Grove95757Cx tarsalis (36)
09/01/2017SacramentoElk Grove95757Cx pipiens (50)
09/01/2017SacramentoElk Grove95757Cx pipiens (50)
09/06/2017YoloDavis95616Cx tarsalis (16)
09/06/2017YoloDavis95618Cx tarsalis (50)
09/06/2017YoloDavis95616Cx tarsalis (15)
09/06/2017YoloWoodland95776Cx tarsalis (50)
09/06/2017YoloWoodland95776Cx tarsalis (50)
09/06/2017YoloWoodland95695Cx tarsalis (50)
09/06/2017YoloWoodland95695Cx tarsalis (40)
09/06/2017YoloWoodland95695Cx tarsalis (47)
09/06/2017YoloWoodland95695Cx pipiens (4)
09/06/2017SacramentoElverta95626Cx tarsalis (7)
09/06/2017SacramentoCitrus Heights95621Cx pipiens (8)
09/06/2017SacramentoRio Linda95673Cx tarsalis (34)
09/06/2017SacramentoSacramento95814Cx tarsalis (3)
09/06/2017SacramentoElk Grove95758Cx pipiens (30)
09/06/2017SacramentoElk Grove95757Cx pipiens (42)
09/06/2017SacramentoElk Grove95757Cx tarsalis (11)
09/06/2017SacramentoElk Grove95757Cx tarsalis (50)
09/06/2017SacramentoElk Grove95757Cx pipiens (50)
09/06/2017SacramentoElk Grove95823Cx tarsalis (50)
09/06/2017SacramentoElk Grove95823Cx tarsalis (50)
09/06/2017SacramentoElk Grove95823Cx tarsalis (50)
09/06/2017SacramentoElk Grove95823Cx pipiens (46)
09/08/2017SacramentoSacramento95837Cx tarsalis (50)
09/08/2017SacramentoWalnut Grove95690Cx pipiens (12)
09/08/2017SacramentoWilton95693Cx tarsalis (17)
09/08/2017SacramentoRancho Cordova95826Cx pipiens (8)
09/12/2017SacramentoNorth Highlands95660Cx tarsalis (13)
09/12/2017SacramentoSouth Watt Avenue95829Cx tarsalis (15)
09/12/2017SacramentoElk Grove95758Cx tarsalis (26)
09/12/2017SacramentoElk Grove95758Cx pipiens (50)
09/12/2017SacramentoElk Grove95758Cx pipiens (3)
09/12/2017SacramentoElk Grove95757Cx pipiens (50)
09/12/2017SacramentoElk GroveCx tarsalis (50)
09/12/2017SacramentoElk GroveCx tarsalis (2)
09/12/2017SacramentoElk Grove95823Cx tarsalis (50)
09/12/2017SacramentoElk Grove95823Cx tarsalis (50)
09/12/2017SacramentoElk Grove95823Cx pipiens (34)
09/12/2017SacramentoElk Grove95757Cx pipiens (26)
09/12/2017YoloWest Sacramento95691Cx pipiens (18)
09/12/2017YoloDavis95618Cx tarsalis (50)
09/15/2017YoloWoodland95776Cx pipiens (24)
09/15/2017SacramentoElk Grove95758Cx pipiens (15)
09/15/2017SacramentoSacramento95837Cx tarsalis (50)
09/15/2017SacramentoSacramento95837Cx tarsalis (50)
09/15/2017SacramentoGalt95632Cx pipiens (12)
09/15/2017SacramentoWilton95693Cx pipiens (18)
09/15/2017SacramentoWilton95693Cx tarsalis (29)
09/15/2017SacramentoWilton95693Cx pipiens (33)
09/15/2017SacramentoWalnut Grove95690Cx tarsalis (33)
09/19/2017SacramentoElk Grove95757Cx tarsalis (31)
09/19/2017YoloDavis95616Cx tarsalis (41)
09/19/2017YoloDavis95616Cx tarsalis (17)
09/19/2017YoloWest Sacramento95691Cx tarsalis (32)
09/19/2017SacramentoSacramento, CA95838Cx tarsalis (50)
09/19/2017SacramentoSacramento, CA95838Cx tarsalis (50)
09/22/2017SacramentoElk Grove95758Cx tarsalis (50)
09/22/2017SacramentoElk Grove95758Cx tarsalis (50)
09/22/2017SacramentoElk Grove95758Cx tarsalis (22)
09/22/2017SacramentoHerald95638Cx tarsalis (50)
09/22/2017SacramentoWilton95693Cx pipiens (50)
09/26/2017YoloWoodland95695Cx pipiens (7)
09/26/2017SacramentoElk Grove95758Cx pipiens (41)
09/26/2017SacramentoElk Grove95823Cx tarsalis (34)
09/26/2017SacramentoElk Grove95757Cx pipiens (50)
09/29/2017SacramentoGalt95632Cx tarsalis (34)
09/29/2017YoloWoodland95695Cx tarsalis (50)
10/06/2017YoloWoodland95695Cx tarsalis (50)
10/06/2017YoloWoodland95695Cx tarsalis (50)
10/06/2017YoloWoodland95776Cx tarsalis (50)
10/06/2017SacramentoElk Grove95758Cx tarsalis (50)
10/11/2017SacramentoSacramento95815Cx pipiens (6)
10/13/2017YoloWoodland95776Cx pipiens (1)
10/13/2017SacramentoElk Grove95639Cx pipiens (6)
10/17/2017YoloDavis95618Cx tarsalis (27)
10/17/2017SacramentoSacramento95814Cx pipiens (5)

Dead birds tested positive for West Nile virus:
CollectedCountyCityZip CodeSpecies
05/10/2017SacramentoFolsom95630Red-shouldered Hawk #17-280
05/26/2017SacramentoGalt95632Western Scrub-Jay #17-429
05/24/2017SacramentoSacramento95826American Crow #17-431
05/26/2017SacramentoSacramento95829Black Phoebe #17-471
06/01/2017SacramentoGalt95632Western Scrub-Jay #17-487
06/01/2017SacramentoCarmichael95608Western Scrub-Jay #17-552
06/05/2017SacramentoSacramento95826American Crow #17-590
06/07/2017SacramentoSacramento95826Yellow-billed Magpie #17-634
06/07/2017SacramentoSacramento95823House Finch #17-636
06/09/2017SacramentoRosemont95826Western Scrub-Jay #17-669
06/30/2017SacramentoSacramento95826American Crow #17-964
07/05/2017SacramentoSacramento95826American Crow #17-999
07/05/2017SacramentoSacramento95825Yellow-billed Magpie #17-1001
07/05/2017SacramentoRosemont95826American Crow #17-1004
07/05/2017SacramentoSacramento95829Red-shouldered Hawk #17-1009
07/05/2017SacramentoSacramento95826American Crow #17-1040
07/07/2017SacramentoSacramento95864Yellow-billed Magpie #17-1062
07/14/2017SacramentoGalt95632Western Scrub-Jay #17-1132
07/14/2017SacramentoSacramento95826American Crow #17-1165
07/19/2017SacramentoCarmichael95608American Crow #17-1177
07/19/2017SacramentoCarmichael95608Yellow-billed Magpie #17-1217
07/26/2017SacramentoSacramento95821American Crow #17-1268
07/26/2017SacramentoSacramento95827Yellow-billed Magpie #17-1270
07/26/2017SacramentoRosemont95826American Crow #17-1290
07/26/2017SacramentoSacramento95826Lesser Goldfinch #17-1302
07/26/2017SacramentoSacramento95841American Crow #17-1305
07/28/2017SacramentoSacramento95864Western Scrub-Jay #17-1325
08/02/2017SacramentoSacramento95826Western Scrub-Jay #17-1355
08/02/2017SacramentoRancho Cordova95670Western Scrub-Jay #17-1359
08/02/2017SacramentoSacramento95826Lesser Goldfinch #17-1362
08/02/2017SacramentoSacramento95826House Finch #17-1365
08/02/2017SacramentoSacramento95826Western Scrub-Jay #17-1368
08/07/2017SacramentoRancho Cordova95670Western Scrub-Jay #17-1425
08/07/2017SacramentoSacramento95826American Crow #17-1442
08/09/2017SacramentoRio Linda95673American Crow #17-1451
08/11/2017SacramentoRosemont95826Western Scrub-Jay #17-1491
08/11/2017SacramentoElk Grove95624Western Scrub-Jay #17-1515
08/16/2017YoloDavis95616American Crow #17-1537
08/16/2017SacramentoSacramento95831American Crow #17-1544
08/16/2017SacramentoElk Grove95757Northern Mockingbird #17-1560
08/18/2017SacramentoWilton95693Barn Owl #17-1602
08/23/2017SacramentoElk Grove95624American Crow #17-1609
08/23/2017SacramentoCitrus Heights95621Western Scrub-Jay #17-1618
08/23/2017SacramentoElverta95626Cooper's Hawk #17-1619
08/23/2017SacramentoElk Grove95624Yellow-billed Magpie #17-1620
08/23/2017SacramentoSacramento95835Anna's Hummingbird #17-1621
08/23/2017SacramentoSacramento95864Northern Mockingbird #17-1624
08/23/2017SacramentoSacramento95821Yellow-billed Magpie #17-1625
08/23/2017SacramentoSacramento95821Western Scrub-Jay #17-1627
08/23/2017SacramentoSacramento95826House Finch #17-1641
08/28/2017SacramentoSacramento95822Northern Mockingbird #17-1637
08/28/2017SacramentoSacramento95822Northern Mockingbird #17-1638
08/28/2017SacramentoSacramento95822Northern Mockingbird #17-1639
08/28/2017SacramentoRio Linda95673Yellow-billed Magpie #17-1698
08/30/2017SacramentoWilton95693American Crow #17-1711
08/30/2017SacramentoElk Grove95758Western Scrub-Jay #17-1712
08/30/2017YoloDavis95616Yellow-billed Magpie #17-1717
08/30/2017SacramentoSacramento95820American Crow #17-1724
09/05/2017SacramentoMather95655American Crow #17-1750
09/05/2017SacramentoWilton95693Western Scrub-Jay #17-1754
09/05/2017YoloDavis95618American Crow #17-1760
09/07/2017YoloDavis95616American Crow #17-1784
09/07/2017SacramentoElk Grove95757Barn Owl #17-1785
09/07/2017SacramentoSacramento95825Yellow-billed Magpie #17-1790
09/07/2017YoloDavis95616American Crow #17-1795
09/11/2017SacramentoWilton95693American Crow #17-1820
09/11/2017YoloDavis95616American Crow #17-1821
09/11/2017SacramentoWilton95693American Crow #17-1833
09/11/2017SacramentoElk Grove95757American Crow #17-1836
09/13/2017SacramentoRosemont95826Western Bluebird #17-1843
09/13/2017SacramentoSacramento95820Western Scrub-Jay #17-1844
09/18/2017SacramentoWilton95693American Crow #17-1861
09/18/2017YoloDavis95616American Crow #17-1863
09/18/2017YoloDavis95618Western Scrub-Jay #17-1864
09/18/2017YoloDavis95616American Crow #17-1865
09/18/2017SacramentoElk Grove95757American Crow #17-1896
09/18/2017SacramentoCarmichael95608American Crow #17-1898
09/18/2017SacramentoElk Grove95758Western Scrub-Jay #17-1903
09/18/2017YoloDavis95616American Crow #17-1908
09/18/2017SacramentoElk Grove95757American Goldfinch #17-1925
09/18/2017YoloDavis 95616American Crow #17-1935
09/18/2017SacramentoWilton95693Western Scrub-Jay #17-1940
09/20/2017SacramentoSacramento95831American Crow #17-1971
09/20/2017SacramentoSacramento95673Yellow-billed Magpie #17-1975
09/20/2017YoloDavis95616Western Scrub-Jay #17-1977
09/20/2017SacramentoRancho Murieta95683Western Scrub-Jay #17-1985
09/20/2017SacramentoSacramento95829Western Scrub-Jay #17-1989
09/27/2017SacramentoElk Grove95624Western Scrub-Jay #17-2026
09/27/2017SacramentoCourtland95615Western Scrub-Jay #17-2032
10/02/2017SacramentoRancho Murieta95683Western Scrub-Jay #17-2051
10/02/2017SacramentoSacramento95823Western Scrub-Jay #17-2057
10/04/2017SacramentoSacramento95831Western Scrub-Jay #17-2104
10/10/2017SacramentoWilton95693American Crow #17-2136
10/10/2017SacramentoSacramento95818House Finch #17-2176
10/10/2017SacramentoCarmichael95608Western Scrub-Jay #17-2197
10/10/2017YoloWest Sacramnto95691American Crow #17-2200
10/10/2017SacramentoSacramento95822American Crow #17-2205
10/10/2017SacramentoSacramento95822American Crow #17-2206
10/10/2017SacramentoSacramento95822American Crow #17-2207
10/16/2017YoloWoodland95695American Crow #17-2234


If you see a bird, particularly a crow or magpie, lacking signs of trauma that has been dead for less than 24 hours, please call 1-877-WNV-BIRD (1-877-968-2473) or report it online here. Crows and magpies are particularly susceptible to the disease, so they make excellent early warning sentinels for virus activity in our area.