Abstract
The new version of the INNO-LiPA HBV genotyping assay (Innogenetics) developed to identify all hepatitis B virus (HBV) genotypes, A to H, has been evaluated in comparison with sequencing of PCR-amplified HBV DNA from 200 samples before or after cloning. The genotyping data obtained with INNO-LiPA were in agreement with those from direct sequencing in the 179 samples characterized by the two methods. INNO-LiPA revealed 28 mixed infections. However, sequencing after molecular cloning confirmed only 15 of them and did not identify any that were of genotype H (n = 9). Our study demonstrates that INNO-LiPA overestimates mixed infections as a result of erroneous genotype H detection.
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