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Spatial distribution of canine echinococcosis in Inner Mongolia Autonomous Region from 2012 to 2018 / 中国血吸虫病防治杂志
Article in Chinese | WPRIM | ID: wpr-873746
Responsible library: WPRO
ABSTRACT
Objective To investigate the distribution and changing trend of canine echinococcosis in Inner Mongolia Autonomous Region, so as to provide the scientific evidence for prevention and control of canine echinococcosis in high-risk areas of Inner Mongolia Autonomous Region. Methods All data pertaining to Echinococcus infections in canine feces and sampling survey of human echinococcosis were collected from the echinococcosis-endemic foci of Inner Mongolia Autonomous Region from 2012 to 2018, and the prevalence of Echinococcus infections was investigated in dogs and humans. In addition, the spatial distribution characteristics and clusters of canine echinococcoses were identified. Results A total of 164 139 canine fecal samples were detected in the echinococcosis-endemic foci of Inner Mongolia Autonomous Region from 2012 to 2018, and there were 2 136 fecal samples positive for Echinococcus coproantigens. The positive rates of Echinococcus coproantigens were 0.54% to 1.73% in dogs from 2012 to 2018, with a tendency towards a decline seen in the prevalence of Echinococcus infections in dogs (χ2 = 108.83, P < 0.01), and there was a significant difference in the positive rate of Echinococcus coproantigens in dogs among years (χ2 = 155.27, P < 0.01). Three-dimensional trend analysis showed that canine echinococcosis was mainly concentrated in east of central Inner Mongolia Autonomous Region, and a high prevalence was detected in New Barag Right Banner and Sonid Right Banner. The global spatial distribution of canine echinococcosis appeared a random pattern in Inner Mongolia Autonomous Region from 2012 to 2018 (Moran’s I > 0, P > 0.05), and there were “high-high” and “high-low” clusters of canine echinococcosis in local areas. The prevalence of human echinococcosis was 0.08%, and there was a significant difference in the prevalence among regions (χ2 = 147.61, P < 0.01), with a high prevalence seen in West Ujimqin Banner, Jarud Banner and New Barag Right Banner. In addition, the prevalence of human echinococcosis correlated positively with the Echinococcus coproantigen-positive rate in dogs (r = 0.52, P < 0.01). Conclusions The prevalence of Echinococcus infections shows an overall tendency towards a decline in dogs in Inner Mongolia Autonomous Region from 2012 to 2018, with a high prevalence found in New Barag Right Banner and Sonid Right Banner. Human echinococcosis is concentrated in clusters of canine echinococcosis, where health education and targeted control interventions requires to be intensified.
Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Schistosomiasis Control Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Schistosomiasis Control Year: 2021 Type: Article