Volume 20, Number 12—December 2014
Dispatch
Novel Porcine Epidemic Diarrhea Virus Variant with Large Genomic Deletion, South Korea
Table
Incidence of PEDV RNA in diarrhea samples from pigs, South Korea, January 1–December 31, 2008*
| Pig age | No. specimens positive/no. tested (%). |
||
|---|---|---|---|
| Feces | Intestine | Total | |
| Suckling pigs, <3 wk | 90/526 (17.1) | 26/166 (15.7) | 116/692 (16.8) |
| Weaned pigs, >3 wk to 6 wk | 12/388 (3.1) | 0/116 (0) | 12/504 (2.4) |
| Grower/finisher pigs, >6 wk to 22 wk | 29/600 (4.8) | 0/208 (0) | 29/808 (3.6) |
| Sows, >1 y | 34/140 (24.3) | 0/1 (0) | 34/141 (24.1) |
| Boars, >8 mo | 1/6 (16.7) | 0 | 1/6 (16.7) |
| Unknown |
13/402 (3.2) |
0/81 (0) |
13/483 (2.7) |
| Total | 179/ 2062 (8.7) | 26/572 (4.5) | 205/2634 (7.8) |
*All animals showed signs of diarrhea at the time of sample collection. The PEDV variant with a large deletion in the S gene was found in 3 samples (2 fecal and 1 intestinal) of the suckling pigs with diarrhea at 1 farm in Chungnam Province. Other pigs on the same farm were infected with PEDV with the full-length S gene; however, in no instance were both the PEDV variant and PEDV with the full-length S gene observed in 1 pig. PEDV, porcine epidemic diarrhea virus; S gene, spike gene.
1These authors were co-principal investigators for this study.
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