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소 모기매개 바이러스성 질병의 Vector 감염률 추정을 위한 표본추출 전략
박선일 한국임상수의학회 2012 한국임상수의학회지 Vol.29 No.1
Mosquitoes are the vectors of a number of viral diseases in cattle, such as Akabane disease, bovine ephemeral fever, Ainovirus infection, Chuzan virus infection, and Ibaraki disease. These diseases are transmitted from an infected animal to a non-infected host via the blood feeding of the vector. In Korea, the National Veterinary Research and Quarantine Services, Ministry for Food, Agriculture, Forestry and Fisheries is responsible for planning, implementation,laboratory investigations and reporting the results of the national surveillance program for mosquito-borne bovine diseases (MBD). The surveillance program, which was started in 1993, focused to determine the seroprevalence of each disease in cattle herds in space and time. From the epidemiological point of view, more important component of the surveillance program is to monitor infection rates in vectors for specific pathogens because this information is essential for a more precise understanding the dynamics of these diseases in a given environment and for determining risk of transmission. The aim of this study was to describe and compare methods for estimation of vector infection rates using maximum likelihood (MLE) and minimum infection rate in pooled samples. Factors affecting MLE such as number of pools, pooling size and diagnostic test performance are also discussed, assuming some hypothetical sampling scenarios for MBD.
Han, Mi Ah,Kim, Choon-Mee,Kim, Dong-Min,Yun, Na Ra,Park, Sun-Whan,Han, Myung Guk,Lee, Won-Ja U.S. Department of Health and Human Services * Cen 2018 Emerging Infectious Diseases Vol.24 No.5
<P>We investigated 1,228 residents of 3 rural areas in South Korea and determined that 50 (4.1%) were positive for severe fever with thrombocytopenia syndrome virus antibodies. Fever and gastrointestinal symptoms in the previous 3 years and career duration were associated with virus seropositivity.</P>
Severe Fever with Thrombocytopenia Syndrome Virus in Dogs, South Korea
Kang, Jun-Gu,Cho, Yoon-Kyoung,Jo, Young-Sun,Chae, Jeong-Byoung,Joo, Young-Hoon,Park, Kyoung-Wan,Chae, Joon-Seok U.S. Department of Health and Human Services * Cen 2019 Emerging Infectious Diseases Vol.25 No.2
<P>Of 103 serum samples collected from dogs in South Korea, 3 (2.9%) were positive for severe fever with thrombocytopenia syndrome virus (SFTSV) and 22 (21.4%) were positive for antibodies against SFTSV. A dog-derived isolate of SFTSV clustered with many South Korea SFTSV strains in the Japanese clade.</P>