Detection of rodent infected by new tick pathogens in Suifenhe and Dongning ports

Objective To find out the situation of rodent infected by new tick pathogens in Suifenhe and Dongning ports.Methods Field investigation and epidemiological investigation methods were used in this study.Results Nine kinds of tick pathogens were detected in 102 rodent.The species infected were mainly Apodemus agrarius and Microtus fortis.The main tick pathogen was Babesia microti and B.divergens,with the highest infection rate of 25.0%-27.3% and 33.0%-42.9% respectively,followed by Borrelia garinii and B.afzelii,with the infection rate of 21.2%-30.0% and 28.6%-33.0% respectively.The infection of tick borne encephalitis virus to rodent was the lowest,with the infection rate of 5.00%.Conclusion The rodent infected by tick pathogen were mainly A.agrarius and M.fortis in the two ports,which would provide the evidence for further epidemiological investigation.