Genotype and recombinant analysis results of EU939630. A: Genotype results of 43 HBV genotype B samples using partial S gene sequencing, 42 samples of which had been genotyped correctly except one, EU939630. The arrow indicates EU939630 was genotyped as HBV genotype C by partial S gene sequencing. B: Recombinant analysis result of EU939630. From the recombinant analysis, we found that EU939630 was a C/B recombinant strain.