2017-2020年湖北省荆州市肾综合征出血热宿主动物监测分析北大核心CSCD

目的总结荆州市2017-2020年肾综合征出血热(HFRS)宿主动物监测结果,为该市HFRS科学防控提供依据。方法在全市8个县(市、区)开展HFRS宿主动物监测。在春季(4-5月)和秋季(9—10月)采用夹夜法分别于室内、野外布放鼠夹。室内及野外选取荆州市常见生境。对捕获鼠进行鉴定,无菌取鉴定鼠肺,利用实时荧光定量PCR(RT-PCR)检测鼠肺汉坦病毒并分型。结果 2017-2020年荆州市平均鼠密度4.83%(1 106/22 910),鼠汉坦病毒阳性率9.83%(58/590)。鼠密度居前3位的地区分别为江陵县(9.61%)、沙市区(6.44%)和石首市(4.92%)。鼠汉坦病毒阳性率由高到低依次为沙市区(17.31%,27/156)、江陵县(8.51%,16/188)、监利县(8.42%,8/95)和洪湖市(7.29%,7/96),其它地区捕获鼠未检出汉坦病毒。春季鼠密度为5.47%(578/10 566)。其中室内生境鼠密度6.15%(146/2 374),鼠汉坦病毒阳性率1.89%(1/53),阳性鼠为厨房捕获小家鼠;野外生境鼠密度5.27%(432/8 192),鼠汉坦病毒阳性率11.76%(16/136),阳性鼠以小麦田和虾稻田捕获黑线姬鼠、褐家鼠为主。秋季鼠密度为4.28%(528/12 344)。其中室内生境鼠密度6.06%(198/3 269),鼠汉坦病毒阳性率0.78%(1/129),阳性鼠为杂物间捕获黄胸鼠;野外生境鼠密度3.64%(330/9 075),鼠汉坦病毒阳性率14.71%(40/272),阳性鼠以蔬菜田、虾田、虾稻田、稻田捕获黑线姬鼠和褐家鼠为主。捕获黑线姬鼠均携带HNTV型汉坦病毒;褐家鼠、小家鼠、黄胸鼠携带SEOV型汉坦病毒。结论荆州市HFRS宿主动物以野外捕获黑线姬鼠、褐家鼠为主,分别携带HNTV型、SEOV型汉坦病毒。江陵县、沙市区鼠密度及鼠汉坦病毒阳性率均较高。

Analysis of hemorrhagic fever with renal syndrome host animal surveillance in Jingzhou City,Hubei Province from 2017 to 2020

To summarize the monitoring results of hemorrhagic fever with renal syndrom(HFRS) host animals in Jingzhou from 2017 to 2020, and provide a basis for scientific prevention and control of HFRS. HFRS host animal monitoring was carried out in 8 counties (cities, districts) in Jingzhou City. In spring (April-May) and autumn (September-October), rat traps were placed indoors and in the field by night trapping method. The common habitats in Jingzhou City were selected indoor and field. The captured rats were identified, and the lungs of the identified rats were detected and typed by RT-PCR. From 2017 to 2020, the average rodent rate in Jingzhou City was 4.83% (1106/22910), and the rodent Hantavirus carrier rate was 9.83% (58/590). The top 3 areas of rodent rate were Jiangling County (9.61%), Shashi District (6.44%) and Shishou City (4.92%). The carrier rate of rodent Hantavirus in descending order was Shashi District (17.31%, 27/156), Jiangling County (8.51%, 16/188), Jianli County (8.42%, 8/95) and Honghu City (7.29%, 7/96), no hantavirus was detected in rats caught in other areas. The rodent rate in spring and summer was 5.47% (578/10 566), of which the indoor habitat rodent rate was 6.15% (146/2 374), the rodent hantavirus carrying rate was 1.89% (1/53), and the positive rodent was the Mus musculus captured in the kitchen. The habitat rate of rodents was 5.27% (432/8 192), and the rodent hantavirus carrying rate was 11.76% (16/136). The positive rodent were mainly Apodemus agrarius and Rattus norvegicus captured in wheat fields and shrimp rice fields. The rodent rate in autumn and winter was 4.28% (528/12 344), of which the indoor habitat rodent rate was 6.06% (198/3 269), and the rodent hantavirus carrying rate was 0.78% (1/129). The positive rodent was Flavipectus caught in the miscellaneous room. The rodent rate in the wild habitat was 3.64% (330/9 075), and the rodent hantavirus carrying rate was 14.71% (40/272). The positive rodents were mainly Apodemus agrarius and Rattus norvegicus caught in vegetable fields, shrimp fields, shrimp rice fields, and rice fields. The host animals of HFRS in Jingzhou are mainly Apodemus agrarius and Rattus norvegicus captured in the wild, which carry HNTV and SEOV hantaviruses respectively. The rodent rate and rodent hantavirus carrying rate were higher in Jiangling County and Sand City.