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Table 1 Information of the 28 PRRSV isolates in China

From: Emergence of mosaic recombinant strains potentially associated with vaccine JXA1-R and predominant circulating strains of porcine reproductive and respiratory syndrome virus in different provinces of China

No. Isolate Province Accession no. Clinical background Herd size(sows) Vaccination history of MLV
Morbidity (%) Mortality (%)
1 15GD1 Guangdong KX815407 40.2 21.4 700 No
2 15GD2 Guangdong KX815408 63.6 62.9 3000 JXA1-R,TJM-F92
3 15GD3 Guangdong KX815409
4 15GD4 Guangdong KX815410 41.6 7.2 2400 No
5 15HEB1 HeBei KX815411 80.8 86.5 1400 No
6 15HEB3 HeBei KX815412 62.7 53.4 450 JXA1-R
7 15HEN1 Henan KX815413 71.7 72.5 1000 No
8 15HEN3 Henan KX815414 29.6 3.4 1300 No
9 15HEN4 Henan KX815415 33.2 7.6 420 No
10 15HUN1 Hunan KX815416 65.4 54.1 3400 No
11 15HUN2 Hunan KX815417
12 15HUN3 Hunan KX815418 23 61.4 200 R98
13 15JX1 Jiangxi KX815419 80 48.8 700 No
14 15JX2 Jiangxi KX815420 67.4 26.6 390 No
15 15JX3 Jiangxi KX815421 2.9 2.2 400 No
16 15JX4 Jiangxi KX815422 12.3 54.9 1500 RespPRRS
17 15LN1 Liaoning KX815423 51.1 23.8 320 No
18 15LN2 Liaoning KX815424 35.4 2.3 250 No
19 15LN3 Liaoning KX815425 94.7 87.1 600 No
20 15SC1 Sichuan KX815426 12.9 56.2 500 JXA1-R
21 15SC2 Sichuan KX815427 33.8 4.8 800 No
22 15SC3 Sichuan KX815428 75 90.8 1500 No
23 15SN1 Shaanxi KX815429 50.6 31.6 350 TJM-F92
24 15SN2 Shaanxi KX815430
25 15SN3 Shaanxi KX815431
26 15ZJ1 Zhejiang KX815432 28.4 16 660 CH-1R
27 15ZJ2 Zhejiang KX815433 65 35.9 1400 JXA1-R
28 15ZJ3 Zhejiang KX815434 57.6 32.3 570 No