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Table 4 Positive rate of PCV2 and its coinfection rate in different cities in Shandong Province from 2015–2018

From: Epidemiological investigation of porcine circovirus type 2 and its coinfection rate in Shandong province in China from 2015 to 2018

City Number of positive samples Positive rate PCV2 + PRRSV PCV2 + PRV PCV2 + CSFV PCV2 + PEDV
Linyi 89 18.16% 28 15 14 2
Tai’an 61 12.45% 19 28 3 1
Ji’ning 44 8.98% 15 11 6 2
Liaocheng 41 8.37% 7 10 9 0
Laiwu 40 8.16% 15 5 7 3
Dongying 36 7.35% 8 4 1 0
Binzhou 34 6.94% 6 3 5 1
Ji’nan 29 5.92% 9 1 3 1
Weifang 29 5.92% 9 2 3 0
Heze 26 5.31% 3 1 8 3
Zibo 16 3.27% 6 3 1 2
Dezhou 12 2.45% 2 2 1 0
Rizhao 10 2.04% 1 1 2 0
Weihai 7 1.43% 2 0 0 1
Yantai 7 1.43% 0 0 1 0
Zaozhuang 5 1.02% 1 3 0 1
Qingdao 4 0.82% 0 1 0 0
Total 490   131/490 (26.73%) 90/490 (18.37%) 64/490 (13.06%) 17/490 (3.47%)