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Viral cluster network displaying the non-redundant viral sequence similarity for both the PCR and PCR-free datasets. vOTUs are grouped into a viral cluster with shared sequence similarity based on amino acid homology against reference genomes (grey circles). The nodes (blue circles) represent vOTUs and edges (grey lines) represent the weighted similarity between the vOTUs. The red boxed orange nodes, were only present in PCR-free datasets.
