Animal and Plant Health Inspection Service Veterinary Services

Swine Enteric Coronavirus Disease Testing Summary Report August 8, 2014

ThisreportsummarizesNAHLNlaboratorytestingforPorcineEpidemicDiarrheaVirus(PEDV)andPorcineDeltaCoronavirus(PDCoV)through8/2/2014.ThereportwaspreparedbyUSDAAPHISVSNVSLNationalAnimalHealthLaboratoryNetwork(NAHLN)andVSSTASCenterforEpidemiologyandAnimalHealth(CEAH).Criticalnotesaboutthedatausedinthisreportareprovidedattheendofthisreport.

OVERVIEW

PEDVTestResults ThisWeek Cumulative

PEDVPositiveAccessions 93 7,987

TotalPEDVAccessionsTested 790 27,743

PercentPEDVPositiveAccessions 11.8% 28.8%

NumberofStatesReportingPEDVPositiveAccessions 17 30

NumberofStateswithPEDVAccessionsTested 25 42

NewStatesReportingPEDV N/A*IncludesbiologicalPEDVaccessionsonly;includesPCRtestingonly;numbertestedwasreportedstartingNovember2013;%positiveiscalculatedusingdatafrom11/1/13throughcurrentweek.

PDCoVTestResults ThisWeek Cumulative

PDCoVPositiveAccessions 8 367

TotalPDCoVAccessionsTested 305 4,162

PercentPDCoVPositiveAccessions 2.6% 8.8%

NumberofStatesReportingPDCoVPositiveAccessions 4 16

NumberofStateswithPDCoVAccessionsTested 22 31

NewStatesReportingPDCoV N/A

*IncludesbiologicalPDCoVaccessionsonly;includesPCRtestingonly;datawasprovidedtoUSDAstartingMarch302014.

Logistics

LaboratoriesVoluntarilyReportingPEDVandPDCoV TestingDatatoUSDANAHLN

11 18

PEDVTestResultRecordsSubmitted/Processed byUSDANAHLN 6,279 200,662

PDCoVTestResultRecordsSubmitted/Processed byUSDANAHLN 1694 22,821

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PEDVPositiveBiologicalAccessions

PDCoVPositiveBiologicalAccessions

2

PEDVSUMMARIESTablePEDV1PEDVSummary.Biologicalaccessions,biologicalsamples,andenvironmentalsamplestestedforPEDVandthenumberandpercentpositivebymonth.

MonthBiologicalAccessions BiologicalSamples EnvironmentalSamples

Tested Positive %Pos Tested Positive %Pos Tested Positive %PosApr2013 3 May2013 112 Jun2013 187 327 116 Jul2013 113 557 166 Aug2013 138 425 57 Sep2013 134 458 30 Oct2013 267 1,150 206 Nov2013 1,064 414 38.9% 3,850 1,460 37.9% 1,532 396 25.8%Dec2013 2,294 630 27.5% 9,373 2,007 21.4% 1,804 398 22.1%Jan2014 2,774 953 34.4% 11,172 3,168 28.4% 2,410 620 25.7%Feb2014 3,650 1,228 33.6% 16,638 4,256 25.6% 3,415 814 23.8%Mar2014 3,601 1,123 31.2% 15,387 3,634 23.6% 3,770 920 24.4%Apr2014 3,775 1,053 27.9% 22,369 4,704 21.0% 4,927 1,379 28.0%May2014 3,590 757 21.1% 26,475 3,925 14.8% 4,525 882 19.5%Jun2014 3,225 449 13.9% 24,841 2,398 9.7% 3,929 439 11.2%Jul2014 3,602 398 11.0% 26,203 1,786 6.8% 3,960 369 9.3%Aug2014

(monthtodate)168 28 16.7% 979 90 9.2% 250 27 10.8%

Total 27,743 7,987 25.4% 157,287 30,345 17.4% 30,522 6,819 20.5%*NumbertestedwasreportedstartingNovember2013;%positiveiscalculatedusingdatafrom11/1/13throughcurrentweek.TablePEDV2PEDVSummarybyAgeClass.BiologicalaccessionstestedforPEDVandthenumberpositiveandpercentpositiveforeachfarmtype/ageclassbymonth.Anaccessionmayincludeswinesamplesfromdifferentageclasses;thereforethemonthlysumofaccessionsfromthistablemaynotequalthemonthlytotalsshowninTable1.

MonthSuckling Nursery Grower/Finisher Sow/Boar Unk

Tested Pos %Pos Tested Pos %Pos Tested Pos %Pos Tested Pos %Pos Tested Pos %PosApr2013 0 0 2 0 0 May2013 0 0 70 23 8 Jun2013 14 12 84 36 35 Jul2013 13 24 40 20 20 Aug2013 57 31 19 25 12 Sep2013 39 31 28 20 20 Oct2013 89 47 72 39 23 Nov2013 146 89 61.0% 228 105 46.1% 220 127 57.7% 61 25 41.0% 437 79 18.1%Dec2013 260 118 45.4% 432 138 31.9% 589 171 29.0% 154 40 26.0% 909 177 19.5%Jan2014 350 187 53.4% 450 190 42.2% 543 183 33.7% 168 65 38.7% 1,353 356 26.3%Feb2014 488 248 50.8% 609 228 37.4% 601 154 25.6% 285 110 38.6% 1,788 530 29.6%Mar2014 515 261 50.7% 540 186 34.4% 530 118 22.3% 309 90 29.1% 1,861 505 27.1%Apr2014 534 229 42.9% 512 177 34.6% 589 121 20.5% 362 61 16.9% 1,924 486 25.3%May2014 568 199 35.0% 511 119 23.3% 595 107 18.0% 413 61 14.8% 1,663 301 18.1%Jun2014 507 108 21.3% 406 69 17.0% 495 58 11.7% 331 19 5.7% 1,597 203 12.7%Jul2014 524 95 18.1% 484 61 12.6% 549 37 6.7% 257 16 6.2% 1,917 197 10.3%Aug2014

(monthtodate)27 8 29.6% 24 6 25.0% 25 2 8.0% 14 1 7.1% 84 11 13.1%

Total 3,919 1,754 39.3% 4,196 1,424 30.5% 4,736 1,393 22.8% 2,354 651 20.7% 13,533 2,963 21.0%*NumbertestedwasreportedstartingNovember2013;%positiveiscalculatedusingdatafrom11/1/13throughcurrentweek.

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FigurePEDV1.NumberoflaboratorybiologicalaccessionspositiveforPEDVpositiveineachweek

FigurePEDV2.NumberofswinebiologicalsamplespositiveforPEDVineachweek

FigurePEDV3.NumberofpositiveenvironmentalsamplespositiveforPEDVineachweek*Doesnotincludetestingonfeed

0

200

400

600

800

1000

28Jul

11Aug

25Aug

8Sep

22Sep

6Oct

20Oct

3Nov

17Nov

1Dec

15Dec

29Dec

12Jan

26Jan

9Feb

23Feb

9Mar

23Mar

6Apr

20Apr

4May

18May

1Jun

15Jun

29Jun

13Jul

27Jul

AccessionsTested

PositiveAccessions

01000200030004000500060007000

7Jul

21Jul

4Aug

18Aug

1Sep

15Sep

29Sep

13Oct

27Oct

10Nov

24Nov

8Dec

22Dec

5Jan

19Jan

2Feb

16Feb

2Mar

16Mar

30Mar

13Apr

27Apr

11May

25May

8Jun

22Jun

6Jul

20Jul

BiologicalSamplesTested

PositiveBiologicalSamples

0200400600800

1000120014001600

7Jul

21Jul

4Aug

18Aug

1Sep

15Sep

29Sep

13Oct

27Oct

10Nov

24Nov

8Dec

22Dec

5Jan

19Jan

2Feb

16Feb

2Mar

16Mar

30Mar

13Apr

27Apr

11May

25May

8Jun

22Jun

6Jul

20Jul

EnvironmentalSamplesTested

PositiveEnvironmentalSamples

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TablePEDV3.POSITIVEPEDVbiologicalaccessionsforeachState,byweek

TotalPositiveAccessions AZ CA CO IA ID IL IN KS KY MD MI MN MO MS MT NC ND NE NY OH OK PA SC SD TN TX VA VT WI WY UNK

CombinedISUdata,4/16/136/15/13 218

7 102 1 10 6 3 19 1

4 38 4 1 6

6/16/2013 47 1 10 1 7 8

6/23/2013 37 1 15 1 1 4 2 13

6/30/2013 10 3 2 2 3

7/7/2013 34 1 6 1 2 4 2 3 2 11 2

7/14/2013 33 2 7 4 7 1 3 2 7

7/21/2013 24 1 6 1 3 7 4 1 1

7/28/2013 31 1 5 1 1 7 3 2 1 10

8/4/2013 27 1 9 1 1 6 1 2 5 1

8/11/2013 36 6 5 13 5 7

8/18/2013 30 1 6 1 5 1 2 14

8/25/2013 26 2 1 3 2 4 1 10 3

9/1/2013 31 2 6 1 8 1 4 4 5

9/8/2013 28 7 6 1 13 1

9/15/2013 32 7 1 3 2 12 1 5 1

9/22/2013 40 1 3 1 5 1 24 4 1

9/29/2013 41 2 5 2 2 19 6 1 3 1

10/6/2013 43 1 6 6 1 1 21 6 1

10/13/2013 57 10 4 1 6 21 13 2

10/20/2013 68 1 20 2 1 9 1 2 22 9 1

10/27/2013 84 32 4 1 3 1 5 17 1 13 2 1 3 1

11/3/2013 90 38 1 1 6 2 7 2 14 5 10 1 1 1 1

11/10/2013 92 1 51 1 2 8 1 15 4 5 1 3

11/17/2013 113 1 47 5 3 5 17 12 4 11 1 1 6

11/24/2013 96 1 25 4 1 1 19 19 9 12 1 3 1

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TotalPositiveAccessions AZ CA CO IA ID IL IN KS KY MD MI MN MO MS MT NC ND NE NY OH OK PA SC SD TN TX VA VT WI WY UNK

12/1/2013 139 2 65 10 9 4 23 8 1 5 6 3 2 1

12/8/2013 132 65 8 6 5 2 18 3 12 3 7 1 1 1

12/15/2013 185 1 96 15 8 3 27 5 19 1 3 5 1 1

12/22/2013 118 1 61 8 3 5 2 17 2 5 1 5 3 2 3

12/29/2013 122 1 49 13 2 4 20 4 17 2 5 2 1 1 1

1/5/2014 188 3 81 10 2 9 1 1 46 15 1 7 4 2 1 4 1

1/12/2014 215 1 1 88 19 7 7 3 4 31 4 20 5 9 8 2 2 3 1

1/19/2014 218 2 70 21 9 10 1 4 51 7 19 2 10 2 2 3 1 1 3

1/26/2014 267 1 2 87 39 24 3 1 2 50 7 15 7 11 4 4 3 2 1 1 3

2/2/2014 295 1 2 93 1 27 15 3 1 4 76 9 1 24 4 11 4 4 3 1 1 1 9

2/9/2014 306 2 91 27 22 7 1 9 62 4 23 9 1 21 6 3 4 2 1 2 9

2/16/14 315 3 90 35 25 7 7 59 4 24 6 22 9 7 5 1 2 2 1 6

2/23/14 313 2 79 1 41 22 1 1 10 61 8 23 1 12 19 5 12 3 1 2 2 7

3/2/14 281 1 1 1 81 32 26 6 3 47 11 26 2 19 1 3 6 5 1 9

3/9/14 295 2 7 71 43 22 13 13 52 7 16 5 1 13 9 3 7 6 5

3/16/14 270 3 2 54 1 44 21 5 1 16 40 17 17 6 1 17 9 5 6 2 3

3/23/14 247 2 48 43 14 5 9 45 16 20 9 16 5 1 5 1 1 2 5

3/30/13 260 1 1 51 41 17 9 1 17 48 8 1 24 7 17 5 1 5 2 4

4/6/14 272 2 5 48 43 17 7 10 49 12 23 10 22 10 2 2 2 3 5

4/13/14 222 1 5 42 43 16 6 9 46 7 20 2 10 4 2 4 3 1 1

4/20/14 211 2 52 30 12 13 6 36 9 9 12 9 9 3 3 1 5

4/27/14 198 1 44 32 15 11 40 5 16 7 12 6 5 1 2 1

5/4/14 192 40 1 25 8 3 9 33 17 21 6 7 10 1 5 4 2

5/11/14 190 5 31 31 10 4 1 10 35 14 18 4 7 8 3 4 3 1 1

5/18/14 158 3 32 25 11 1 1 3 27 5 23 9 3 4 1 6 3 1

5/25/14 143 3 32 26 5 3 6 23 8 15 10 1 4 2 4 1

6/1/14 138 2 20 16 5 2 1 11 30 13 18 4 4 5 2 4 1

6/8/14 98 14 14 3 1 1 3 19 9 11 10 1 5 4 3

6/15/14 97 15 15 7 1 7 16 11 9 4 3 1 4 1 2 1

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TotalPositiveAccessions AZ CA CO IA ID IL IN KS KY MD MI MN MO MS MT