Evidence map›Paper›PMID 40284969›Full record

ArticleViruses2025

The Ongoing Epidemics of Seasonal Influenza A(H3N2) in Hangzhou, China, and Its Viral Genetic Diversity.

Xueling Zheng, Feifei Cao, Yue Yu, Xinfen Yu, Yinyan Zhou, Shi Cheng, Xiaofeng Qiu, Lijiao Ao, Xuhui Yang, Zhou Sun and 1 more

Abstract read
In one paragraph

Article in Viruses, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

3 citing papers in PubMed.

  1. Article
  2. Article
  3. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors.

Xueling ZhengHangzhou Center for Disease Control and Prevention (Hangzhou Health Supervision Institution), Hangzhou 310002, China.
Feifei CaoHangzhou Center for Disease Control and Prevention (Hangzhou Health Supervision Institution), Hangzhou 310002, China.
Yue YuHangzhou Center for Disease Control and Prevention (Hangzhou Health Supervision Institution), Hangzhou 310002, China.
Xinfen YuHangzhou Center for Disease Control and Prevention (Hangzhou Health Supervision Institution), Hangzhou 310002, China.
Yinyan ZhouHangzhou Center for Disease Control and Prevention (Hangzhou Health Supervision Institution), Hangzhou 310002, China.
Shi ChengHangzhou Center for Disease Control and Prevention (Hangzhou Health Supervision Institution), Hangzhou 310002, China.
Xiaofeng QiuHangzhou Center for Disease Control and Prevention (Hangzhou Health Supervision Institution), Hangzhou 310002, China.
Lijiao AoHangzhou Center for Disease Control and Prevention (Hangzhou Health Supervision Institution), Hangzhou 310002, China.
Xuhui YangHangzhou Center for Disease Control and Prevention (Hangzhou Health Supervision Institution), Hangzhou 310002, China.
Zhou SunHangzhou Center for Disease Control and Prevention (Hangzhou Health Supervision Institution), Hangzhou 310002, China.
Jun LiHangzhou Center for Disease Control and Prevention (Hangzhou Health Supervision Institution), Hangzhou 310002, China.

Funding

Construction Fund of Key Medical Disciplines of Hangzhou and the Zhejiang Provincial Pro-gramme for the Cultivation of High-level Innovative Health Talents 2018-2022Medicine and Health Technology Project of Zhejiang Province 2023RC072National Natural Science Foundation of China 31301098Zhejiang Provincial Key Laboratory Construction Project 2024ZY01026Zhejiang Provincial Public Welfare Technology Application Research Project of China LGF19H190003
6 · The paper itself

Abstract

This study examined the genetic and evolutionary features of influenza A/H3N2 viruses in Hangzhou (2010-2022) by analyzing 28,651 influenza-like illness samples from two sentinel hospitals. Influenza A/H3N2 coexisted with other subtypes, dominating seasonal peaks (notably summer). Whole-genome sequencing of 367 strains was performed on GridION platforms. Phylogenetic analysis showed they fell into 16 genetic groups, with multiple clades circulating simultaneously. Shannon entropy indicated HA, NA, and NS gene segments exhibited significantly higher variability than other genomic segments, with HA glycoprotein mutations concentrated in antigenic epitopes A-E. Antiviral resistance showed no inhibitor resistance mutations in PA, PB1, or PB2, but NA mutations were detected in some strains, and most strains harbored M2 mutations. A Bayesian molecular clock showed the HA segment exhibited the highest nucleotide substitution rate (3.96 × 10

Indexed as

EpidemicsGenetic VariationInfluenza A Virus, H3N2 SubtypeInfluenza, HumanAdolescentAdultChildChinaDrug Resistance, ViralEpitopesEvolution, MolecularFemaleGenome, ViralHemagglutinin Glycoproteins, Influenza VirusHumansMaleEpitopesHemagglutinin Glycoproteins, Influenza Virusantiviral resistanceBayesian molecular clockinfluenza A/H3N2Pepitope modelphylogenetic analysisselective pressureShannon entropywhole-genome sequencing

Identifiers

PMID40284969
PMCPMC12031544

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.