ArticleMicrobial genomics2026
Epidemiological characterization and phylogenetic analysis of human metapneumovirus isolated from children in Ningbo, China, 2020-2024.
Article in Microbial genomics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Epidemiological and Molecular Characterization of Human Metapneumovirus (HMPV) in Children Under 14 Years of Age in Shijiazhuang City, China.Pathogens (Basel, Switzerland) · 2026Article
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7 authors.
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Abstract
Human metapneumovirus (hMPV) is an important cause of acute respiratory infections in children, but genomic surveillance data from Ningbo, a coastal port city of China, remain limited. We investigated the epidemiology, genetic diversity and phylogeographic patterns of hMPV among children in Ningbo from 2020 to 2024 using 6,632 respiratory specimens from paediatric outpatients and 26 hMPV-positive samples. The overall hMPV-positive rate was 3.62% (240/6,632), with a peak in 2022 (6.86%). An atypical summer peak in 2022 and a prolonged 2023-2024 season suggested altered seasonality in the post-COVID-19 period. Preschool-aged children (1-6 years) were the most affected age group and the proportion of viral co-infections among hMPV-positive cases increased significantly over time. Phylogenetic analysis of the 26 genomes showed co-circulation of four lineages, with B2 and A2.2.2 predominating across multiple years. We identified one A2.2.2 strain (20240959) carrying a 111-nt (37-aa) insertion in the
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