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US Pig Farm Samples Positive for Porcine Delta Corona Virus: 325

11 July 2014

US - Porcine Delta Corona virus (PDCoV) has been detected in 325 samples from pig farms in 15 states.

For the latest weekly report - for the week of 5 July in a report dated 9 July from the USDA Animal Health Inspection Service and made available by the American Association of Swine Veterinarians (AASV) - 15 pig farms (termed "swine accessions") have tested positive for the PDCoV, bringing the cumulative total to 325.

The National Animal Health Laboratory Network (NAHLN) began collating testing data on PDCoV for the week of 30 March 2014. So far, 3,063 accessions have been tested, 171 in the most recent week reported, so the overall percentage found positive is 10.6 per cent.

The total number of states affected remains at 15 (Table 1 and Figure 1).

Table 1. PDCoV summary by state
Testing
week
Total
positive
accessions
IAILINKSMIMNMOMTNCNEOHOKPASDTXUn-
known
30-Mar 25 3 4 1 - 4 6 - 1 - - 6 - - - - -
06-Apr 32 4 2 7 - 2 5 - - - 1 7 - 1 1 1 1
13-Apr 29 5 8 4 - 1 7 - - 1 - 1 - 1 - - 1
20-Apr 28 2 3 3 - - 10 1 - 1 1 3 - 3 - 1 -
27-Apr 33 3 7 3 1 1 11 1 - 1 2 2 - - 1 - -
04-May 41 3 10 5 - 2 6 1 - 4 2 5 - 1 1 - 1
11-May 23 2 2 3 - - 8 - - - 2 3 - - 2 - 1
18-May 19 - 2 3 - 1 5 - - 1 - 3 - - 3 - 1
25-May 15 - 5 2 - - 4 - - 1 - 2 - 1 - - -
1-Jun 23 - 3 4 1 - 6 - 1 - - 4 1 - 2 - 1
8-Jun 19 - 2 1 - 1 4 2 - 1 2 1 - 2 3 - 1
15-Jun 18 3 1 2 - - 3 1 - - - 5 - 1 1 - 1
22-Jun 15 1 - 2 - - 3 - - - - 5 - 1 2 - 1
29-Jun 7 - - - - 1 2 1 - 1 - - - 1 - - 1
Total 325 26 49 39 2 13 79 7 2 11 9 47 1 12 16 2 10
*A single accession may include samples tested over more than one week; total accessions are calculated as the distinct number of accessions tested rather than the sum of accessions tested by week.
AASV
Figure 1. PDCoV-positive samples from biological accessions (pig farms)

PDCoV was previously known as Swine Delta Corona virus (SDCv). It is related and causes similar effects to the virus that causes Porcine Epidemic Diarrhoea (PED).

Critical notes about these data are provided at the end of the original report from AASV.

ThePigSite News Desk



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