Figure 4 Geographical Distribution of CPV-2 in China. (a) Geographical Distribution of CPV-2 in China from 2014 to 2016. (b) Geographical Distribution of CPV-2 in China from 2017 to 2019.
According to Figure 4(a), from 2014 to 2016, New CPV-2a mainly circulated in eastern and southwestern areas of China while New CPV-2b prevailed in Hubei. CPV-2c was the dominant subtype of central China. Figure 2(b) gave a clear message that CP-2c has become the dominant variant from 2017 to 2019, while New CPV-2a prevailed only in Beijing.