SARS-CoV-2 sequencing artifacts associated with targeted PCR enrichment and read mapping.

PLoS One · 2025 · PMC12530606 · PMID 41100451

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an increasing trendno p-value reported

Despite some weekly variation, the fraction of samples affected by ambiguous base calls shows an increasing trend, coincident with the takeover of the BA.2.86.x variant.

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