Evidence map›Paper›PMID 42851361›Full record

ArticleFrontiers in cellular and infection microbiology2026

Epidemiology and lagged climatic drivers of pediatric viral lower respiratory tract infections in Tianjin, China (2023-2025).

Shiyin Mu, Jia Zhai, Fei Gao, Yongsheng Guo, Jiao Li, Run Guo, Xingda Wen, Yingxue Zou

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Article in Frontiers in cellular and infection microbiology, 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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1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

8 authors.

Shiyin Mu *Department of Respiratory of Ma-Chang, Children's Hospital, Tianjin University/Tianjin Children's Hospital, Tianjin, China.
Jia Zhai *Children's Hospital, Tianjin University, Tianjin, China.
Fei Gao *Department of Respiratory of Ma-Chang, Children's Hospital, Tianjin University/Tianjin Children's Hospital, Tianjin, China.
Yongsheng GuoDepartment of Respiratory of Ma-Chang, Children's Hospital, Tianjin University/Tianjin Children's Hospital, Tianjin, China.
Jiao LiDepartment of Respiratory of Ma-Chang, Children's Hospital, Tianjin University/Tianjin Children's Hospital, Tianjin, China.
Run GuoDepartment of Respiratory of Ma-Chang, Children's Hospital, Tianjin University/Tianjin Children's Hospital, Tianjin, China.
Xingda WenDepartment of Respiratory of Ma-Chang, Children's Hospital, Tianjin University/Tianjin Children's Hospital, Tianjin, China.
Yingxue ZouDepartment of Respiratory of Ma-Chang, Children's Hospital, Tianjin University/Tianjin Children's Hospital, Tianjin, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Following the lifting of pandemic-era restrictions, China experienced a sharp resurgence in pediatric respiratory infections; however, post-pandemic epidemiological and climatic data on lower respiratory tract infections (LRTIs) from the temperate continental climate of northern China remain scarce. Methods: In this retrospective, single-center surveillance study, we characterized the post-pandemic epidemiology of six respiratory viruses in children hospitalized with LRTI in Tianjin and assessed their pathogen-specific, lagged climatic associations. Children aged 0-18 years hospitalized between January 2023 and December 2025 were tested by targeted next-generation sequencing for human rhinovirus (HRV), adenovirus (ADV), respiratory syncytial virus (RSV), human bocavirus (HBoV), influenza virus (IFV), and human metapneumovirus (HMPV). Pathogen-climate associations were estimated using a quasi-Poisson model that adjusted for seasonality, secular trend, and lagged meteorological exposures. Results: Among 2,597 virus-positive cases, the leading pathogens were HRV (30.7%), ADV (26.6%), and RSV (20.6%), followed by HBoV (12.1%), IFV (6.0%), and HMPV (4.0%). Age distributions differed by pathogen (p<0.05): RSV and HBoV predominated in infants and toddlers, HRV and HMPV in preschoolers, ADV in school-aged children, and IFV across the older preschool-to-school-age range; males predominated for all viruses except IFV. Five viruses peaked in December, whereas HBoV peaked uniquely in July. After adjustment for seasonality and secular trend, the unadjusted associations of IFV with humidity and temperature disappeared, indicating that they largely reflected shared seasonality. In contrast, RSV retained associations with temperature (RR 3.87, 95% CI 1.39-10.76) and wind speed (RR 5.46, 95% CI 2.39-12.47) at a 1-month lag, and HMPV with temperature (RR 13.3, 95% CI 1.64-108.3; imprecise given its low case count); HRV, ADV, and HBoV showed no independent climatic associations. Co-infections occurred in 116 cases (4.5%), most frequently HBoV+HRV (23.3%). Conclusion: Post-pandemic pediatric viral LRTI in Tianjin shows distinctive pathogen-specific profiles in age, seasonality, and climatic sensitivity. The summer peak of HBoV and the seasonally independent climatic drivers of RSV and HMPV provide a preliminary basis that, if confirmed with higher-resolution data, could inform pathogen-tailored, climate-informed surveillance in northern Chinese megacities.

Indexed as

ClimateRespiratory Tract InfectionsVirus DiseasesVirusesAdolescentChildChild, PreschoolChinaFemaleHospitalizationHuman bocavirusHumansInfantInfant, NewbornMaleMetapneumoviruslagged climate analysismeteorological factorspediatric lower respiratory tract infectionrespiratory virus surveillanceTianjintime-series regression

Identifiers

PMID42851361
PMCPMC13645514

What Socratic holds

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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 Socratic graph.