West Nile in Louisiana 2005This document includes several pages1-Human West Nile cases2-Graph of Human Cases: Curve3-Comparison Curve 2002 to present4-Map5-Early warning system6-Dead bird counts7-Mosquito surveillance8-Horse surveillance9-Sentinel chicken
Note: The human curve and the map reflect only neuro-invasive disease cases.
WNV Humans 2004
West NileAge Group Cases Population Cases Clinical Classification ME WNV Deaths
M F Total /100K NID Fever Asym /100K 54 M Caddo 7/19/20050-14 4 3 7 1,003,533 0.7 7 0.7 16 F West Baton Rouge 7/19/200515-29 17 7 24 1,011,128 2.4 8 8 8 0.8 75 M Orleans 7/25/200530-44 14 12 26 999,958 2.6 16 9 1 1.6 50 F East Baton Rouge 8/13/200545-59 31 23 54 756,000 7.1 28 19 7 3.7 89 F Ouachita 8/15/200560-75 28 19 47 513,383 9.2 37 10 7.2 51 M East Baton Rouge 8/23/200575+ 18 12 30 184,085 16.3 22 8 12.0 60 M Caddo 8/26/2005Undetermined 0 52 F Franklin 9/28/2005Total 112 76 188 4,468,088 4.2 118 54 16 2.6 82 M St Helena 10/17/2005NID=NeuroInvasive Disease; F&A=Fever & Asymptomatic 80 M Rapides 10/20/2005
71 M Iberia 11/22/2005Parish Cases Cases Population Cases NID Fever Asym
Last Now /100K SLE Case1 Jefferson 8 8 455,500 1.8 6 2 Onset1 Orleans 13 13 485,000 2.7 6 7 47 M Orleans 7/28/20051 St Bernard 2 2 67,000 3.0 1 1 39 M Orleans 9/11/20051 Plaquemines 0 0 26,800 0.02 Ascension 4 4 76,500 5.2 3 1 EEE Case2 East Baton Rouge 22 26 413,000 6.3 17 8 1 Onset2 East Feliciana 0 0 21,500 0.0 16 M St John 8/14/20052 Iberville 3 4 33,000 12.1 2 22 Pointe Coupee 0 1 22,800 4.4 1 LaCrosse Cases2 West Baton Rouge 2 2 22,000 9.1 2 Onset2 West Feliciana 0 0 15,100 0.0 9 F St Tammany 9/14/20053 Assumption 0 0 23,400 0.03 Lafourche 1 1 90,000 1.1 13 St. Charles 0 0 48,100 0.03 St James 0 0 21,200 0.03 St John 0 0 43,000 0.03 St Mary 0 0 53,500 0.03 Terrebonne 0 0 104,500 0.04 Acadia 2 2 58,900 3.4 1 14 Evangeline 0 0 35,500 0.04 Iberia 5 5 73,300 6.8 4 14 Lafayette 0 1 190,500 0.5 14 St Landry 1 1 87,500 1.1 14 St Martin 0 0 45,600 0.04 Vermillion 0 0 53,800 0.05 Allen 0 0 25,500 0.05 Beauregard 1 1 33,000 3.0 15 Calcasieu 4 4 183,500 2.2 2 1 15 Cameron 0 0 10,000 0.05 Jefferson Davis 0 0 31,400 0.06 Avoyelles 0 0 41,500 0.06 Catahoula 0 0 11,000 0.06 Concordia 0 0 20,300 0.06 Grant 0 0 18,700 0.06 Rapides 9 9 126,500 7.1 7 1 16 Lasalle 0 0 14,300 0.06 Vernon 3 3 52,500 5.7 2 16 Winn 1 1 16,900 5.9 17 Bienville 0 0 15,800 0.07 Bossier 9 9 98,500 9.1 6 1 27 Caddo 24 24 252,200 9.5 16 4 47 Claiborne 0 0 16,900 0.07 Natchitoches 1 1 39,100 2.6 17 DeSoto 5 5 25,500 19.6 2 37 Sabine 0 0 23,500 0.07 Red River 0 0 9,600 0.07 Webster 1 0 41,800 0.08 Caldwell 1 1 10,600 9.4 18 East Carroll 0 0 9,400 0.08 Franklin 1 1 21,300 4.7 18 Jackson 0 0 15,400 0.08 Lincoln 1 1 42,500 2.4 18 Madison 0 0 13,700 0.08 Morehouse 1 1 31,000 3.2 18 Ouachita 18 18 147,500 12.2 15 38 Richland 1 1 21,000 4.8 18 Tensas 0 0 6,500 0.08 Union 1 1 22,800 4.4 18 West Carroll 0 0 12,300 0.09 Livingston 19 21 92,000 22.8 11 9 19 St Helena 2 2 10,500 19.0 29 St Tammany 3 5 192,000 2.6 3 29 Tangipahoa 4 4 100,588 4.0 2 1 19 Washington 4 5 44,000 11.4 3 2
Undetermined 0 0Total 177 188 4,468,088 4.2 118 54 16
Clinical Outcome (NID only)WNFever 54 Home 51 Rehab 3WN Neuro-invasive 118 Hospitalized Deceased 11WN Asymptomatic 16 ICU 17 Undetermined 0Total 188 Ward 36 Total 118
WNN Humans 2005
1-5 6-9 7-1314-1718-21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51Rg Parish Total JA FE MA AP May Jun Jul Aug Sep Oct Nov Dec
1 Jefferson 6 1 1 1 2 11 Orleans 6 1 1 2 1 11 St Bernard 1 11 Plaquemines 02 Ascension 3 1 1 12 EBatonRouge 17 1 2 1 2 2 2 2 1 1 1 1 12 EFeliciana 02 WBatonRouge 2 1 12 Iberville 2 1 12 Pointe Coupee 02 W Feliciana 03 Assumption 03 Lafourche 1 13 St. Charles 03 St James 03 St John 03 Terrebonne 03 St Mary 04 Acadia 1 14 Evangeline 04 Evangeline 04 Iberia 4 1 1 1 14 Lafayette 1 14 St Landry 04 St Martin 04 Vermillion 05 Allen 05 Beauregard 1 15 Calcasieu 2 1 15 Cameron 05 Jeff Davis 06 Avoyelles 06 Catahoula 06 Concordia 06 Grant 06 Lasalle 06 Rapides 7 3 1 1 1 16 Vernon 06 Winn 1 17 Bossier 6 1 1 1 2 17 Bienville 07 Caddo 16 1 4 1 6 3 17 Claiborne 07 DeSoto 2 1 17 Lincoln 1 17 Natchitoches 0
WNN Humans 2005
7 Red River 07 Sabine 07 Webster 1 18 West Caroll 08 Caldwell 08 East Carroll 08 Franklin 1 18 Jackson 08 Madison 08 Morehouse 1 18 Ouachita 15 3 3 5 1 1 28 Richland 08 Tensas 08 Union 09 Livingston 10 1 2 1 1 1 1 1 1 19 St Helena 2 1 19 StTammany 3 1 1 19 Tangipahoa 2 29 Washington 3 3
Undetermined 0WNNID 118 0 0 0 0 0 0 0 0 0 0 4 5 13 8 21 11 9 8 6 8 9 2 4 4 3 3 0 0 0 0 0 0 0 0 0
WNN Humans 2005
14
16
18
20
22
24 # Cases
West Nile Cases Neuro-invasive disease, Louisiana 2005
by Date of Symptom Onset
JA=January, FE=February, MA=March, AP=April, MY=May, JN=June, JL=July, AU=August, SE=September,OC=October, NO=November, DE=December
Starting in May, the number following the month is the week: example MY1 is the first week in May
Onset and case counts can only be determined reliably for Neuro-Invasive disease cases. Therefore other cases are not plotted here.
0
2
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6
8
10
12
Jul Aug Sep Oct Nov Dec
Weeks
WNN Humans 2005
52
WNN Humans 2005
0
Week 2002 2003 2004 2005123456789
1011121314151617181920212223 0 0 0 024 2 0 0 025 2 2 0 026 10 0 0 027 5 3 3 4 428 11 5 2 5 529 23 5 2 13 11
0
5
10
15
20
25
1 3 5 7 9 11 13 15 17 19 21 23 25 27
NID
Cas
es
CDC We
West Nile Virus - Neuro-Invasive Dis
29 23 5 2 13 1130 23 8 8 8 831 21 10 5 21 1332 21 7 14 11 433 21 8 7 934 8 6 3 835 13 6 5 636 9 4 5 837 9 9 3 938 7 4 4 239 4 2 4 440 3 4 4 441 3 2 4 342 3 1 1 343 0 2 0 044 0 4 0 045 0 2 0 046 0 1 0 047 0 1 0 048 0 2 0 049 0 3 0 050 0 0 0 051 0 0 0 052 0 0 0 0
198 101 74 118
2002 2003
29 31 33 35 37 39 41 43 45 47 49 51
eek
sease Cases 2002-2005
2004 2005
West Nile Virus Early Warning
West Nile 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52Reg Parish JA1 JA2 JA3 JA4 FE1 FE2 FE3 FE4 MA1 MA2 MA3 MA4 AP1 AP2 AP3 AP4 AP5 MY1 MY2 MY3 MY4 JN1 JN2 JN3 JN4 JL1 JL2 JL3 JL4 JL5 AU1 AU2 AU3 AU4 SE1 SE2 SE3 SE4 SE5 OC1 OC2 OC3 OC4 NO1 NO2 NO3 NO4 DE1 DE2 DE3 DE4 DE5
H 7 H H H 2 H2 H H3 5 3
H H3 H2 H H H2 H H2 Bird 3 Bird and chicken
1 Plaquemines Chicken4 H 3 H 4 Mosquito pool
2 7 9 4 9 11 5 2 H Human NID Cases2 Ascension H H H H
H 2 5 H 9 H3 H H5 H3 H2 H2 H H2 H2 H H H2 2 9 23 26 42 50 73 61 55 70 79 58 34 11 30 24 18 8 6 4 13 3 3
2 East Feliciana2 Iberville H H H H2 Pointe Coupee H
H H2 6 11 23 49 55 53 77 65 34 12 3 6 3
2 West Feliciana3 Assumption3 Lafourche H3 St Charles3 St James 3 2 53 St John 33 St Mary 23 Terrebonne4 Acadia H H4 Evangeline
3 2 3 9 14 H2 H H H 8 2
2 2 H 4
4 St Landry2 2 2
4 Vermilion 25 Allen5 Beauregard H
4 3 H 4 6 2 2 H H H3 5 5 2 2 9 18 23 27 13 11 6 4 3 2
5 Cameron5 Jeff Davis 2 26 Avoyelles6 Catahoula6 Concordia6 Grant6 Lasalle H6 Rapides H3 H H2 H H H6 Vernon 2 H H H6 Winn H7 Bienville7 Bossier H H H H H2 H2 H7 Caddo H H4 H2 H7 H4 H2 H2 H H7 Claiborne H7 Desoto H H2 H H7 Natchitoches H7 Sabine7 RedRiver7 Webster H8 Caldwell H8 East Caroll8 Franklin H8 Jackson 28 Lincoln 5 H 28 Madison8 Morehouse 2 H
2 2 H H3 H4 H5 H H H2 H5 4 9 7 10 6 7 6 11 13
8 Richland H8 Tensas8 Union H8 W Caroll9 Livingston 2 H2 H3 H2 H2 H3 H H2 H H H H H9 St Helena H H
H H H H H2
3 H2 H H
9 Washington H H3 H
Call (800)256-2748 for informationJA=January, FE=February, MA=March, AP=April, MY=May, JN=June, JL=July, AU=August, SE=September,OC=October, NO=November, DE=DecemberThe number following the month is the week: example MA2 is the second week in March
St Bernard1
EBatonRouge2
WBatonRouge2
Iberia4
4 Lafayette
Tangipahoa9
St Martin4
Orleans1
Jefferson1
StTammany9
Calcasieu5
Ouachita8
2/17/2005
West Nile Virus Positive Birds
9/13/2005Dead bird testing suspended on 9/23/05785 tested, 290 positive
Parish Cardinal Blue Jay Sparrow Grackle Crow Raptor Seagull Other TotalAcadia 1 1Allen 1 1 2Ascension 3 1 4Assumption 0Avoyelles 1 1Beauregard 1 1Bienville 1 1Bossier 2 1 3Caddo 1 10 2 13Calcasieu 3 2 3 1 9Caldwell 0Cameron 1 1Catahoula 0Claiborne 1 1Concordia 1 1De Soto 0EBR 1 29 9 1 1 41East Caroll 0East Felicinana 0Evangeline 0Franklin 0Grant 0Iberia 2 51 12 5 70Iberville 1 2 3Jackson 1 1 1 3Jefferson 1 1 6 8Jefferson Davis 1 1 2Lafayette 1 6 3 1 1 12Lafourche 1 1LaSalle 0Lincoln 2 8 1 11Livingston 3 3 3 9Madison 1 1Morehouse 1 3 4Natchitoches 0Orleans 5 1 3 9Ouachita 3 17 3 2 1 26Plaquemines 0Pointe Coupee 0Rapides 1 3 1 5Red River 0Richland 3 3Sabine 2 2 1 5St. Bernard 1 8 2 1 12St. Charles 1 1 2St. Helena 0St. James 1 1St. John 2 2St. Landry 1 1St. Martin 1 1St. Mary 0St. Tammany 3 1 4Tangipahoa 2 2Tensas 0Terrebonne 1 1 1 3Union 1 1Vermilion 1 2 2 5Vernon 0Washington 0WBR 1 1Webster 2 1 3West Carroll 0West Feliciana 0Winn 1 1Total 34 165 62 5 16 8 0 0 290
Bird Species
West Nile Virus Positive Birds
West Nile Virus Positive Birds
8/24/2005
Parish Neg Pos Total %pos Week of: CDC Week# Tested No.Pos %PosAcadia 12 1 13 7.69 1/2-8 1 5 0 0.00Allen 4 2 6 33.33 1/9-15 2 6 2 33.33Ascension 7 3 10 30.00 1/16-22 3 8 2 25.00Assumption 7 0 7 0.00 1/23-29 4 7 3 42.86Avoyelles 5 1 6 16.67 1/30-2/5 5 10 3 30.00Beauregard 4 1 5 20.00 2/6-12 6 8 0 0.00Bienville 4 1 5 20.00 2/13-19 7 15 0 0.00Bossier 9 3 12 25.00 2/20-26 8 13 0 0.00Caddo 13 13 26 50.00 2/27-3/5 9 18 0 0.00Calcasieu 19 8 27 29.63 3/6-12 10 12 0 0.00Caldwell 0 1 1 100.00 3/13-19 11 30 5 16.67Cameron 3 1 4 25.00 3/20-26 12 17 2 11.76Catahoula 0 0 0 #DIV/0! 3/27-4/2 13 10 0 0.00Claiborne 3 1 4 25.00 4/3-9 14 23 5 21.74Concordia 1 1 2 50.00 4/10-16 15 18 5 27.78DeSoto 0 0 0 #DIV/0! 4/17-23 16 29 10 34.48East Baton Rouge 25 41 66 62.12 4/24-30 17 37 1 2.70East Carroll 1 0 1 0.00 5/1-7 18 40 5 12.50East Feliciana 1 0 1 0.00 5/8-14 19 32 4 12.50Evangeline 2 0 2 0.00 5/15-21 20 26 1 3.85Franklin 1 0 1 0.00 5/22-28 21 17 2 11.76Grant 1 0 1 0.00 5/29-6/4 22 17 1 5.88Iberia 30 58 88 65.91 6/5-11 23 14 0 0.00Iberville 7 3 10 30.00 6/12-18 24 16 7 43.75Jackson 3 3 6 50.00 6/19-25 25 17 10 58.82Jefferson 23 8 31 25.81 6/26-7/2 26 24 18 75.00Jefferson Davis 4 2 6 33.33 7/3-9 27 17 9 52.94Lafayette 18 12 30 40.00 7/10-16 28 41 34 82.93Lafourche 7 1 8 12.50 7/17-23 29 52 42 80.77LaSalle 3 0 3 0.00 7/24-30 30 34 25 73.53Lincoln 6 7 13 53.85 7/31-8/6 31 49 30 61.22Livingston 8 9 17 52.94 8/7-13 32 35 27 77.14Madison 1 1 2 50.00 8/14-20 33 5 5 100.00Morehouse 5 2 7 28.57 8/21-27 34Natchitoches 5 0 5 0.00 8/28-9/3 35Orleans 12 9 21 42.86 9/4-10 36Ouachita 30 22 52 42.31 9/11-17 37Plaquemines 7 0 7 0.00 9/18-24 38Pointe Coupee 0 0 0 #DIV/0! 9/25-10/1 39Rapides 16 5 21 23.81 10/2-8 40Red River 0 0 0 #DIV/0! 10/9-15 41Richland 3 2 5 40.00 10/16-22 42Sabine 5 5 10 50.00 10/23-29 43St. Bernard 16 11 27 40.74 10/30-11/5 44St. Charles 3 2 5 40.00 11/6-12 45St. Helena 0 0 0 #DIV/0! 11/13-19 46St. James 6 0 6 0.00 11/20-26 47St. John 6 2 8 25.00 11/27-12/3 48St. Landry 5 1 6 16.67 12/4-10 49St. Martin 6 0 6 0.00 12/11-17 50St. Mary 16 0 16 0.00 12/18-24 51St. Tammany 18 3 21 14.29 12/25-31 52Tangipahoa 10 2 12 16.67 YTD 702 258 36.75Tensas 1 0 1 0.00Terrebonne 9 3 12 25.00Union 5 1 6 16.67Vermilion 9 4 13 30.77Vernon 2 0 2 0.00Washington 6 0 6 0.00Webster 3 3 6 50.00West Baton Rouge 3 1 4 25.00West Carroll 3 0 3 0.00West Feliciana 0 0 0 #DIV/0!Winn 5 1 6 16.67Total 447 261 708 #DIV/0!
Bird Testing by CDC WeekBird Tested By Parish
West Nile Virus Positive Birds
West Nile Positive Mosquitoes
11/16/200518,123 pools tested
Parish Cx. quinquefasciatus Cx. salinarius Ae. vexans Ae.albopictus OtherAcadiaCameronCalcasieu 126 9 Cq. perturbans, Oc. infirmatus, Cx. corrEast Baton Rouge 695 1 9 Oc. infirmatus, Oc. triseriatus, Cx. nigrapalpus, Ae. vexans, Cx. corrIberia 2Jefferson 14Jefferson DavisLafayette 2Lafourche 1Orleans 6Ouachita 78 1 An. quadrimaculatus, Cx. restuans St. Bernard 51St. Charles 1St. James Mixed spp (14)St.John 1St. Martin 5St. Mary St. Tammany 7 1Tangipahoa 4Terrebonne 1VermilionVernonWest Baton Rouge 402Winn Total
1395 9 2 11 24 1441
Parish Cx. quinquefasciatus Cx. salinarius Ae. vexans Ae.albopictus OtherSt. Bernard 1Jefferson 5 Total
6Cx = CulexAn = AnophelesAe = AedesOc = OchlerotatusPs = PsorophoraCq = Coquillettidia
WNV Positive Mosquito Species
SLE Positive Mosquito Species
2004 WNV in Horses
HorsesReported by State Veterinarian's OfficeConfirmed cases as of 11/15/05
Parish WNV+ EEE+Acadia 1Avoyelles 9Beauregard 1East Baton Rouge 1Franklin 1Iberia 1Lafayette 1Livingston 1Morehouse 1Natchitoches 1Ouachita 3St Charles 1St Martin 2Richland 1Washington 1Vermillion 1Unknown Parish 4Total 16 15
2004 WNV Sentinel Chickens
11/18/2005Chicken Sentinels
Parish WNV+ EEE+ SLE+Ascension 1BossierCaddoCalcasieu 35Cameron 2 1East Baton Rouge 21Iberia 15Jefferson 16Jefferson Davis 7Lafayette 12 1Orleans 10 1St. Bernard 14 1St. Charles 1St. John 8St. Martin 7St. Mary 7St. Tammany 2Tangipahoa 12 1Terrebonne 1Vernon (Ft. Polk) 6Winn
177 1 4
CDC Week Week Starting Week Ending Week name01 1/2/05 1/8/05 JA102 1/9/05 1/15/05 JA203 1/16/05 1/22/05 JA304 1/23/05 1/29/05 JA405 1/30/05 2/5/05 FE106 2/6/05 2/12/05 FE207 2/13/05 2/19/05 FE308 2/20/05 2/26/05 FE409 2/27/05 3/5/05 MA110 3/6/05 3/12/05 MA211 3/13/05 3/19/05 MA312 3/20/05 3/26/05 MA413 3/27/05 4/2/05 AP114 4/3/05 4/9/05 AP215 4/10/05 4/16/05 AP316 4/17/05 4/23/05 AP417 4/24/05 4/30/05 AP518 5/1/05 5/7/05 MY119 5/8/05 5/14/05 MY220 5/15/05 5/21/05 MY321 5/22/05 5/28/05 MY422 5/29/05 6/4/05 JN123 6/5/05 6/11/05 JN224 6/12/05 6/18/05 JN325 6/19/05 6/25/05 JN426 6/26/05 7/2/05 JL127 7/3/05 7/9/05 JL228 7/10/05 7/16/05 JL329 7/17/05 7/23/05 JL430 7/24/05 7/30/05 JL531 7/31/05 8/6/05 AU132 8/7/05 8/13/05 AU233 8/14/05 8/20/05 AU334 8/21/05 8/27/05 AU435 8/28/05 9/3/05 SE136 9/4/05 9/10/05 SE237 9/11/05 9/17/05 SE338 9/18/05 9/24/05 SE439 9/25/05 10/1/05 SE540 10/2/05 10/8/05 OC141 10/9/05 10/15/05 OC242 10/16/05 10/22/05 OC343 10/23/05 10/29/05 OC444 10/30/05 11/5/05 NO145 11/6/05 11/12/05 NO246 11/13/05 11/19/05 NO347 11/20/05 11/26/05 NO448 11/27/05 12/3/05 DE149 12/4/05 12/10/05 DE250 12/11/05 12/17/05 DE351 12/18/05 12/24/05 DE4
52 12/25/05 12/31/05 DE5
