Effects of management of infection source of echinococcosis in Linzhi, Tibet Autonomous Region of China

Abstract Background Echinococcosis is highly endemic in western and northern China. Tibet Autonomous Region (TAR) the most serious prevalent area. Linzhi located southeastern part of TAR. Dogs are primary infection source for transmission echinococcosis to humans. A control prevention campaign based on dog management has been implemented past three years. This study aims evaluate effects rate dogs. Methods Data population, registration de-worming seven counties/district between 2017 2019 were obtained from annual report. Domestic fecal samples collected each town determine domestic dogs using coproantigen enzyme-linked immunosorbent assay (ELISA). analysis was processed SPSS statistics compare 2016 by chi-square test, maps mapped ArcGIS. Results In Linzhi, population decreased 17 407 12 663 2019, while increased 75.9% 98.6% 2019. Similarly, stray 14 336 11 837 sheltered 84.6% 96.6% Dog frequency 4 times per annum indicating that approximately every dewormed monthly. total 2715 ELISA assay. The 2.8% (77/2715) which significantly lower than 7.3% (45/618) ( P < 0.05). Conclusions Increased registration, contributed decrease Linzhi. Control could with Echinococcus spp. areas.