ArticleBMC infectious diseases2025
Environmental monitoring and spatiotemporal trend analysis of avian influenza virus in Xinjiang, 2021-2023.
Article in BMC infectious diseases, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Analysis of the spatio-temporal pattern and evolutionary trends of syphilis at township level in Xining City, Qinghai Province, China from 2008 to 2024.Scientific reports · 2026Article
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12 authors.
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Abstract
backgroundAvian influenza, a significant threat to public health, requires monitoring for the development of control strategies. This study aims to analyze the spatiotemporal distribution of avian influenza virus in the external environment of Xinjiang from 2021 to 2023, to enhance understanding of its transmission patterns and provide a scientific basis for public health response measures.
methodsA total of 3913 avian-related environmental samples were collected from nine monitoring areas in Xinjiang. Sample types included poultry drinking water, meat cutting boards, cage surfaces, feces, and wastewater. Real-time RT-PCR was used to detect nucleic acid for H5, H7, and H9 subtypes. Data were statistically analyzed using Excel and SPSS, and spatial distribution was visualized through Kriging interpolation using ArcGIS.
resultsAmong the collected samples, 810 tested positive, with an overall positivity rate of 20.70%. The H9 subtype was predominant, accounting for 85.43% of positive samples. Significant differences in detection rates were observed across different years, regions, sample types, and monitoring sites. Temporally, the positive rate showed an upward trend from 2021 to 2023, with higher positive rates in January and July. Geographically, Aksu, Turpan, and Ili were identified as high-risk areas. Urban and rural live poultry markets had the highest positivity rate (24.31%), and poultry drinking water, cage surfaces, and cleaning wastewater samples showed relatively high detection rates. Kriging analysis revealed several high-risk zones for virus presence.
conclusionThis study provides crucial information for understanding the epidemiological characteristics of avian influenza virus in the external environment of Xinjiang. The H9 subtype was found to be predominant, with notable seasonal and regional variations. Live poultry markets were identified as key risk sites. These findings underscore the need for continuous surveillance and offer theoretical support for developing targeted prevention and control strategies. However, the limited scope of monitoring suggests that broader and longer-term studies are needed to better understand subtype interactions and epidemic risks.
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