Objective To analyze the epidemiological distribution characteristics and disposition of incidents of multi-victims bitten by a single dog in Xi'an City from 2011 to 2021,and to provide scientific basis for the prevention and control of rabies in Xi'an City.Methods Descriptive epidemiological methods were used to analyze the dogs,the situation of exposed persons,the disposal measures and the follow-up in incidents of multi-victims bitten by a single dog in Xi'an City from 2011 to 2021,and the brain tissues of the dogs involved in the incident were collected for the detection of Rabies virus.Results From 2011 to 2021,a total of 96 incidents of multi-victims bitten by a single dog were reported in Xi'an City.Thirty-two dogs which cause biter were captured,with 24 positive and 8 negative specimens of Rabies virus in brain tissue.There were 501 exposed cases,including 278 males and 223 females,with a gender ratio of 1.25∶1.The oldest age of the exposed cases was 85 years old and the youngest was 1 year old.The highest proportion of 17.96％(90/501)was in the age group of＜10 years old.In the occupation distribution,the proportion of peasants was the highest,accounting for 46.51％(233/501).The lower extremities were the most affected sites,accounting for 50.90％(255/501).The number of patients with grade Ⅲ exposure was 84.03％(421/501),and 1 person died of rabies.Conclusion The most effective measures to reduce the incidence of rabies are to carry out routine monitoring of incidents of multi-victims bitten by a single dog,to standardize the disposition of exposed cases,to improve the vaccination rate of domestic dogs,and to strengthen the capture of stray dogs.
Incident of multi-victims bitten by a single dogRabiesEpidemiologyInvestigationPost-exposure disposalAnalysis
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