US Pig Farm Samples Positive for Porcine Delta Corona Virus: 381
US - Porcine Delta Corona virus (PDCoV) has been detected in six more positive samples in the most recent week, bringing the total number of positive samples so far to 381 from pig farms in 17 states.
1 September 2014
4 minute read
By: For the latest weekly report - for the week of 23 August in a report dated 27 August from the USDA Animal Health Inspection Service and made available by the American Association of Swine Veterinarians (AASV) - six pig farms (termed "swine accessions") have tested positive for the PDCoV, bringing the cumulative total to 381.
The National Animal Health Laboratory Network (NAHLN) began collating testing data on PDCoV for the week of 30 March 2014. So far, 4,997 accessions have been tested, 271 in the most recent week reported, so the overall percentage found positive is 7.6 per cent.
The total number of states affected remains at 17 (Table 1 and Figure 1). Wyoming is the latest state to report its first PDCoV-positive sample.
| Table 1. PDCoV summary by state | |||||||||||||||||||
| Test week | Posi- tive acces- sions | CA | IA | IL | IN | KS | MI | MN | MO | MT | NC | NE | OH | OK | PA | SD | TX | WY | Un- known |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 30-Mar | 25 | - | 3 | 4 | 1 | - | 4 | 6 | - | 1 | - | - | 6 | - | - | - | - | - | - |
| 6-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 | - | - | - |
| 4-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 | 22 | - | - | 3 | 4 | 1 | - | 5 | - | 1 | - | - | 4 | 1 | - | 2 | - | - | 1 |
| 8-Jun | 20 | - | - | 2 | 1 | - | 1 | 4 | 2 | - | 1 | 2 | 1 | - | 2 | 3 | - | - | 1 |
| 15-Jun | 17 | - | 3 | 1 | 2 | - | - | 3 | 1 | - | - | - | 4 | - | 1 | 1 | - | - | 1 |
| 22-Jun | 15 | - | 1 | - | 2 | - | - | 3 | - | - | - | - | 5 | - | 1 | 2 | - | - | 1 |
| 29-Jun | 8 | - | 2 | - | - | - | 1 | 1 | 1 | - | 1 | - | - | - | 1 | - | - | - | 1 |
| 6-Jul | 17 | - | 7 | 1 | 1 | - | 1 | 5 | - | - | - | - | 1 | - | 1 | - | - | - | - |
| 13-Jul | 14 | 1 | 2 | 1 | 2 | - | - | 1 | - | - | - | - | 5 | - | - | 1 | - | 1 | - |
| 20-Jul | 5 | 1 | 1 | 1 | - | - | - | 2 | 1 | - | - | - | - | - | - | - | - | - | - |
| 27-Jul | 8 | - | 2 | - | - | - | - | 2 | - | - | - | - | 2 | - | - | - | 2 | - | - |
| 3-Aug | 3 | - | - | - | - | - | - | - | 1 | 1 | - | 2 | - | - | - | - | - | - | - |
| 10-Aug | 3 | 1 | - | 1 | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - |
| 17-Aug | 6 | - | 1 | - | 1 | - | 1 | - | 1 | - | - | 2 | - | - | - | - | - | - | - |
| Total | 381 | 3 | 41 | 53 | 43 | 2 | 15 | 87 | 9 | 2 | 11 | 14 | 55 | 1 | 13 | 17 | 4 | 1 | 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. |
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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.
