ArticleViruses2026
Genomic Characterization and Evolutionary Dynamics of SARS-CoV-2 Lineage NB.1.8.1 in Thailand, 2025.
Article in Viruses, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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6 authors.
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Abstract
SARS-CoV-2 continues to cause recurrent waves in the post-pandemic period, yet genomic data from Southeast Asia remain limited for several emerging Omicron lineages, including NB.1.8.1. In this study, routine acute respiratory infection (ARI) surveillance performed in Bangkok, Thailand, from January to December 2025 was integrated with real-time RT-PCR testing and complete spike-gene sequencing for lineage assignment and evolutionary analysis. Among 4756 ARI specimens, 473 (9.9%) tested positive for SARS-CoV-2. Positivity increased in late April, peaked in May (epidemiological week 21; 58.4%), and declined through late June. Lineage typing was successful for 165/473 positive samples (34.9%), identifying 16 Pango lineages. Early 2025 showed heterogeneous circulation, including XEC- and XEC.8-related lineages, whereas NB.1.8.1 predominated during the main wave, accounting for 92.4% of typed cases in May and 89.8% in June. No recombination signals meeting predefined criteria were detected in the spike dataset. The mean spike substitution rate was estimated at 1.11 × 10
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