Investigating the Genetic Evolution of PCV2 and PCV3 across Six Swine Herds in China from 2020 to 2021

Table 1

Temporal prevalence rates of PCV3 and PCV2 at sample level from swine specimens collected in six swine farms of 5 provinces in China during 2020-2021.

	Sample size	PCV2 positive	%	PCV3 positive	%	PCV2/3 positive	%
Total	1201	866	72.1	316	26.3	233	19.4
Province
Heilongjiang1	318	264	83	81	25.5	76	23.9
Heilongjiang2	214	164	76.6	33	15.4	25	11.7
Henan	112	106	94.6	32	28.6	29	25.9
Heibei	269	232	86.2	102	37.9	60	22.3
Xinjiang	236	73	30.9	51	21.6	21	8.9
Hubei	52	27	51.9	17	32.7	12	23.1