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Table 2 The positive rate of PCV2 DNA from 2015 to 2018

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

Year Number of samples Number of positive samples Positive rate
2015 140 56 40.00%
2016 292 91 31.16%
2017 442 191 43.21%
2018 451 152 33.70%
Total 1325 490 36.98%