US Pig Farm Samples Positive for Porcine Delta Corona Virus: 396
US - There were three 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 396 in 17 states.
20 October 2014
5 minute read
By: For the latest weekly report – for the week of 5 October in a report dated 15 October from the USDA Animal Health Inspection Service and made available by the American Association of Swine Veterinarians (AASV) – three pig farms (termed "swine accessions") have tested positive for the PDCoV.
There was one positive from each of three states – Iowa, Michigan and Minnesota. The cumulative total now stands at 396.
The National Animal Health Laboratory Network (NAHLN) began collating testing data on PDCoV for the week of 30 March 2014. So far, 7,280 accessions have been tested, 415 in the most recent week reported, so the overall percentage found positive is 5.4 per cent.
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 | - | - | - | - | - | - | - | - | - | - | - |
| 5-Oct | 3 | - | 1 | - | - | - | 2 | - | - | - | - | - | - | - | - | - | - | - | - |
| Total | 396 | 3 | 47 | 54 | 46 | 2 | 16 | 90 | 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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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.
