Florida Avian Mortality Surveillance 2001

Dead Bird Surveillance Results*

•  16,838 reports received

•  All 67 Florida counties

•  23,000+ individual birds

•  > 60 species

•  2,595 Crows

•  2,282 Jays

Of the over 23 thousand dead birds collected in Florida in 2001,
approximately a third were tested for WNv and were grouped as follows.

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Rate of West Nile virus positive dead birds in Florida

Group	N positive	N tested	% positive
crow	408	812	50%
blue jay	218	751	29%
duck	8	54	15%
chicken	4	181	2%
dove	130	1793	7%
pigeon	19	216	9%
thrush	11	163	7%
catbird	12	156	8%
mockingbird	17	262	6%
sparrow	17	215	8%
finch	18	199	9%
grackle	11	135	8%
warbler	23	262	9%
cardinal	16	164	10%
remainder	215	2410	0.8%
Totals	1,127	7,773	14%

• 8.0% of the birds identified above as non-corvid passerines tested positive
• 40.0% of the corvids (crows and blue jays) tested positive
  

*Data from the following Power Point Presentation:

West Nile Virus Surveillance and Public Health Response
Florida Department of Health 2001

Slide 11: "Dead Bird Surveillance Results 2001"
Slide 15: "WN virus positive birds by identified species"

http://www.cdc.gov/ncidod/dvbid/westnile/conf/pdf/p2-conti.pdf

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16 Aug 2012 - Mike Quinn / West Nile Virus Links for Texas / Texas Entomology