US Pig Farm Samples Positive for Porcine Delta Corona Virus: 242
US - Porcine Delta Corona virus (PDCoV) has been detected in 242 samples from pig farms in 14 states.
9 June 2014
3 minute read
By: For the latest weekly report - for the week of 31 May in a report dated 4 June from the USDA Animal Health Inspection Service and made available by the American Association of Swine Veterinarians (AASV) - 14 pig farms (termed "swine accessions") have tested positive for the PDCoV, bringing the cumulative total to 242.
The National Animal Health Laboratory Network (NAHLN) began collating testing data on PDCoV for the week of 30 March 2014. So far, 2,028 accessions have been tested, 207 in the most recent week reported, so the overall percentage found positive is 12 per cent.
No new states have reported one of more positive accessions in the latest week and so the total remains at 14 (Table 1 and Figure 1).
| Table 1. PDCoV summary by state | ||||||||||||||||
| Test week | Total positive accessions | IA | IL | IN | KS | MI | MN | MO | MT | NC | NE | OH | PA | SD | TX | Unknown |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 30 Apr | 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 | - | 0 | 10 | 1 | - | 1 | 1 | 3 | 3 | - | 1 | - |
| 27 Apr | 30 | 3 | 7 | 3 | 1 | 1 | 11 | 1 | - | 1 | - | 1 | - | 1 | - | - |
| 4 May | 40 | 3 | 10 | 5 | - | 2 | 6 | - | 0 | 4 | 2 | 5 | 1 | 1 | 1 | - |
| 11 May | 22 | 2 | 2 | 3 | - | - | 8 | - | - | - | 1 | 3 | - | 2 | - | 1 |
| 18 May | 19 | - | 2 | 3 | - | 1 | 5 | - | - | 1 | - | 3 | - | 3 | - | 1 |
| 25 May | 14 | - | 5 | 2 | - | - | 4 | - | - | 1 | - | 1 | 1 | - | - | - |
| Total | 242 | 22 | 43 | 30 | 1 | 11 | 61 | 3 | 1 | 9 | 8 | 31 | 7 | 8 | 2 | 5 |
| *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. | ||||||||||||||||
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 used are provided at the end of the original report from AASV.
