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Genomic analysis of human noroviruses using hybrid Illumina-Nanopore data


Whole genome sequence (WGS) analysis of noroviruses is routinely performed by employing a metagenomic approach. While this methodology has several advantages, such as allowing for examination of co-infection, it has some limitations such as the requirement of high viral load to achieve full-length or near full-length genomic sequences.

In this study, we used an amplification approach to obtain full-length genomic amplicons from 39 Canadian GII isolates followed by deep sequencing on Illumina and Oxford Nanopore platforms. This approach significantly reduced the required viral titre to obtain full-genome coverage.

Herein, we compared the coverage and sequences obtained by both platforms and provided an in-depth genomic analysis of the obtained sequences, including the presence of single nucleotide variants (SNVs) and recombination events.

Authors: Annika Flint, Spencer Reaume, Jennifer Harlow, Emily Hoover, Kelly Weedmark, Neda Nasheri

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