US Pig Farm Samples Positive for Porcine Delta Corona Virus: 393
US - There were six new positive results for Porcine Delta Corona virus (PDCoV) detected in the US in the last week, so the total number of positive samples so far now stands at 393 in 17 states.
13 October 2014
5 minute read
By: For the latest weekly report - for the week of 28 September in a report dated 8 October 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.
Three of these samples came from Iowa and one each from from Illinois, Indiana and Minnesota. The cumulative total now stands at 393.
The total number of states affected remains at 17 (Table 1 and Figure 1).
| 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 | - | - | - | - | - | - | - |
| 24-Aug | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - |
| 31-Aug | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 7-Sep | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 14-Sep | 1 | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 21-Sep | 3 | - | 2 | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - |
| 28-Sep | 6 | - | 3 | 1 | 1 | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - |
| Total | 393 | 3 | 46 | 54 | 46 | 2 | 15 | 89 | 9 | 2 | 11 | 14 | 56 | 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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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.
