Isolation and characterization of a variant subgroup GII-a porcine epidemic diarrhea virus strain in China.

Probability ( p ) values of <0.05 and < 0.01 were considered statistically significant and highly significant, respectively. 3 Results 3.1 Viral isolation and identification Of the PEDV-positive samples, one sample (HM2017) from Mudanjiang city in Heilongjiang province showed a remarkable cytopathic effect in Vero cells at the beginning of passage 8 (P8) when compared with the control cells ( Fig. 1 A).

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