A seroepidemiological study of selected rodent-borne diseases (hantavirus [Seoul [SEO] virus], scrub typhus [Orientia tsutsugamushi], murine typhus [Rickettsia typhi], and leptospirosis [Leptospira interrogans]), as part of the U.S. military rodent surveillance and control program, was conducted from 2001 through 2005 at Yongsan Garrison, Seoul, Republic of Korea. Rodents were collected to determine the prevalence of rodent-borne diseases at a U.S. military installation in an urban environment. A total of 1,750 rodents representing three species was collected by using baited live traps (Tomahawk), glue boards, and poison baits (dead rodents observed but not assayed). The Norway rat, Rattus norvegicus (99.8%), accounted for nearly all of the rodents captured/observed. Only three roof rats, Rattus rattus (0.2%), and one house mouse, Mus musculus (<0.1%), were collected. R. norvegicus rats were the only rodents that were serologically positive for SEO virus (9.6%), scrub typhus (2.8%), murine typhus (3.8%), and leptospirosis (4.6%). One of six rodents that were positive for SEO virus by immunofluorescent antibody test was positive for SEO virus antigen by reverse transcriptase-polymerase chain reaction. Infection rates for SEO virus, scrub typhus, murine typhus, and leptospirosis varied annually. Rodents were captured from 228 (20.7%) of 1,104 total buildings in Yongsan Garrison. The Yongsan commissary had the highest annual infestation rate (22 rodents per year), followed by Commisky's Club (18 rodents per year). Annual infestation rates were high for food service facilities, which often store perishable food products outdoors for short periods of time, attracting rodent populations; refuse from these facilities provides harborage and food for rodents. The effect of rodent populations outside the boundary of Yongsan Garrison was not determined.

译文

:对部分啮齿动物传播疾病(汉坦病毒[汉城[SEO]病毒],灌木斑疹伤寒[Orientia tsutsugamushi],鼠类斑疹伤寒[Rickettsia typhi]和钩端螺旋体病[Leptospira interrogans])的血清流行病学研究,作为美国军事啮齿动物监测的一部分控制计划于2001年至2005年在大韩民国首尔的龙山驻军进行。收集啮齿动物以确定在城市环境中的美国军事机构中啮齿动物传播的疾病的患病率。使用诱饵活捕器(战斧),胶合板和毒饵(观察到但未测定死鼠)共收集了1,750只代表三种物种的啮齿动物。挪威大鼠Rattus norvegicus(99.8%)几乎占所有捕获/观察到的啮齿动物的比例。仅收集了三只房顶大鼠,即Rattus rattus(0.2%)和一只家鼠(Mus musculus,<0.1%)。 R. norvegicus大鼠是唯一在血清学上呈阳性的SEO病毒(9.6%),灌木斑疹伤寒(2.8%),鼠类斑疹伤寒(3.8%)和钩端螺旋体病(4.6%)阳性的啮齿动物。通过免疫荧光抗体测试对SEO病毒呈阳性的六只啮齿动物中,通过逆转录酶-聚合酶链反应对SEO病毒抗原呈阳性。 SEO病毒,灌木斑疹伤寒,鼠类斑疹伤寒和钩端螺旋体病的感染率每年变化。在龙山驻军的1,104栋建筑物中,有228栋(20.7%)被捕获。龙山小卖部的年虫鼠发病率最高(每年22只啮齿动物),其次是Commisky俱乐部(每年18只啮齿动物)。食品服务设施的年感染率很高,这些设施经常将易腐烂的食品在短期内存储在户外,从而吸引了啮齿动物。这些设施提供的垃圾可为啮齿动物提供庇护和食物。尚未确定龙山驻军边界以外的啮齿动物种群的影响。

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