From: Serological report of influenza a (H7N9) infections among pigs in Southern China
Location | Pigs studied | Number sampled | Number (%) with ILI | Number (%) with serological evidence of avian H9N2 infection | Number (%) with serological evidence of avian H7N9 infection | Number (%) with serological evidence of H1N1 pdm09 infection | |||
---|---|---|---|---|---|---|---|---|---|
HI assay ≥1:20 | MN assay ≥1:80 | HI assay ≥1:20 | MN assay ≥1:80 | HI assay ≥1:20 | MN assay ≥1:80 | ||||
Jiangsu | Weaning pigs | 84 | 18(21.4) | 8(9.5) | 4(4.8) | 0(0) | 0(0) | 22(26.2) | 14(16.7) |
Finishing pigs | 120 | 12(10) | 14(11.7) | 8(6.7) | 2(1.7) | 0(0) | 48(40.0) | 22(18.3) | |
Sows | 92 | 12(13.0) | 18(19.5) | 12(13.0) | 4(4.3) | 0(0) | 28(30.4) | 18(19.6) | |
Zhejiang | Weaning pigs | 92 | 10(10.9) | 6(6.5) | 2(2.2) | 0(0) | 0(0) | 34(37.0) | 10(10.9) |
Finishing pigs | 124 | 20(16.1) | 14(11.3) | 8(6.5) | 0(0) | 0(0) | 40(32.3) | 26(21.0) | |
Sows | 108 | 18(16.7) | 24(22.2) | 16(14.8) | 4(3.7) | 0(0) | 40(37.0) | 20(18.5) | |
Guangdong | Weaning pigs | 152 | 22(14.5) | 10(6.6) | 4(2.6) | 0(0) | 0(0) | 50(32.9) | 16(10.5) |
Finishing pigs | 124 | 8(6.5) | 16(12.9) | 12(9.7) | 2(1.6) | 0(0) | 36(45.2) | 28(22.6) | |
Sows | 152 | 24(15.8) | 32(21.1) | 26(17.1) | 8(5.3) | 0(0) | 66(43.4) | 36(23.7) | |
Fujian | Weaning pigs | 78 | 14(17.8) | 6(7.7) | 4(5.1) | 0(0) | 0(0) | 26(33.3) | 10(12.8) |
Finishing pigs | 94 | 6(6.4) | 12(12.8) | 6(6.4) | 4(4.3) | 0(0) | 36(38.3) | 18(19.1) | |
Sows | 90 | 8(8.9) | 18(20.0) | 10(11.1) | 2(2.2) | 0(0) | 38(42.2) | 20(22.2) | |
Total | 1310 | 172(13.3) | 178(13.6) | 112 (8.5) | 26(2.0) | 0(0) | 464(35.4) | 238(18.2) |