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Fig.1
Samples
collection from Henan province of China for PRV detection during 2012 to
2019.
Fig.2 Positivity rate of PRV detection in different seasons (A) and
regions (B).
Fig. 3 The isolation and identification of the PRV. A.The normal ST cell
control;B. The ST cells infected with NY strain; C. Amplified PCR
product of 429 bp; D. Electronograph of PRV NY strain
Fig.
4 Phylogenetic tree constructed by alignment deduced nucleotide
sequences of gE (A) and gC (B) genes of the PRV isolates and reference
strains using the neighbor-joining method. Bootstrapping with 1,000
replicates was performed to determine the percentage reliability for
each internal node. Black triangles indicate PRV field isolates in this
study.
Note:express the PRV strains in this study; ○express the Chinese
re-emerging
PRV strains (after 2012); express the early Chinese PRV strains (before
2012).