ArticleJournal of veterinary science2026
A comprehensive analysis of the prevalence and influencing factors of felid alphaherpesvirus-1 (FHV-1) in mainland China from 2017 to 2024.
Article in Journal of veterinary science, 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.
Funding
Abstract
importanceFelid alphaherpesvirus 1 (FHV-1) is a common cause of feline upper respiratory disease, but prevalence estimates from mainland China are fragmented.
objectivesTo estimate pooled FHV-1 prevalence and evaluate factors associated with between-study variation in mainland China from 2017 through 2024. DATA RESOURCES: PubMed, Web of Science, China National Knowledge Infrastructure, Wanfang Data, and the Chinese Journal Service Platform were searched; reference lists were also screened. Add the final search date. STUDY SELECTION: Cross-sectional studies from mainland China that reported a diagnostic method and sufficient numerator and denominator data were eligible. Two reviewers screened studies independently, with disagreements resolved by discussion or a third reviewer. DATA EXTRACTION AND SYNTHESIS: Thirty studies comprising 17,108 samples were included. Pooled prevalence was estimated with a random-effects model after Freeman-Tukey double-arcsine transformation. Heterogeneity, subgroup differences, publication bias, and leave-one-out sensitivity were assessed. MAIN OUTCOMES AND MEASURES: Pooled FHV-1 prevalence with 95% confidence intervals (CIs), heterogeneity, and subgroup estimates by age, sex, breed, season, publication period, and region.
resultsOverall pooled prevalence was 23% (95% CI, 18%-29%; I² = 98.6%; heterogeneity CONCLUSIONS AND RELEVANCE: FHV-1 prevalence in mainland China was substantial and highly heterogeneous. Age, breed, and region were associated with variation across studies. Targeted prevention and surveillance may be warranted, but the very high heterogeneity and study-level subgroup analyses limit causal inference.
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