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김능희 ( Neung Hee Kim ),채희선 ( Hee Sun Chae ),손홍락 ( Hong Rak Son ),강영일 ( Young Il Kang ),이정학 ( Jung Hark Lee ),김세곤 ( Se Gon Kim ) 한국동물위생학회 2011 한국동물위생학회지 (KOJVS) Vol.34 No.4
Rabies virus is transmitted most commonly through a bite from an infected dog. Especially, stray dogs that are not excluded from contact with rabid wild animals can become rabies vectors. Therefore, serological survey of rabies virus from stray dogs in Seoul Metropolitan City was carried out in this study. To investigate prevalence of rabies antibodies in the stray dogs, serum samples were taken from 500 stray dogs between April and December 2010. Antibodies to rabies virus were detected by indirect ELISA. Of 500 tested sera, 147 (29.4%) were positive to rabies virus. Prevalence rates of rabies antibodies( PRRA) in northern and southern Han river region of Seoul were 26.4% and 33.2% respectively. PRRA in male and female dogs were 33.6% and 26.1% respectively. PRRA in less than 1 year, 1∼2 < years, 2∼3< years, 3∼5< years, 5∼10< years and over 10 years old dogs were 12.7%, 21.6%, 26.4%, 36.4%, 32.5% and 46.4%, respectively. These results indicates that antibody seroprevalence to rabies is still not enough to prevent rabies and rabies vaccination is required to enhance the seroprevalence in the dogs. To improve the situation, measures to raise public awareness of rabies and its prevention is needed. Also, reducing stray dogs and keeping companion animals from contact with wild animals are indispensable for the prevention of rabies.
서울지역의 개와 고양이에서 분리한 Staphylococcus aureus의 항생제 감수성 및 multiplex PCR을 이용한 장독소의 검출
김능희 ( Neung Hee Kim ),채희선 ( Hee Sun Chae ),손홍락 ( Hong Rak Son ),김창기 ( Chang Ki Kim ),김선흥 ( Sun Heung Kim ),이정학 ( Jung Hark Lee ),김철훈 ( Chul Hun Kim ) 한국동물위생학회 2010 한국동물위생학회지 (KOJVS) Vol.33 No.3
The antimicrobial susceptibility of 73 strains of Staphylococcus aureus isolated from dogs and cats was determined against 16 antimicrobial agents. All isolates were susceptible to cephalothin (CF), vancomycin (VA), rifampin (RA), quinupristin-dalfopristin (SYN) and linezolid (LZD), whereas more than 86.3% of the isolates were resistant to penicillin (P). In the case of enterotoxin production, 8.2% of 73 strains produced enterotoxin A and 1 strain produced enterotoxin C. Appropriate protocols for antimicrobial agents and strategies to reduce antimicrobial resistance will need to be investigated in the future.
오리 분변에서의 Campylobacter jejuni 오염도와 항생제 내성유형 조사
김능희 ( Neung Hee Kim ),채희선 ( Hee Sun Chae ),강영일 ( Yong Il Kang ),신박우 ( Bang Woo Shin ),최농훈 ( Nong Hoon Choi ),김효비 ( Hyo Bi Kim ) 한국동물위생학회 2013 한국동물위생학회지 (KOJVS) Vol.36 No.1
This study was carried out to investigate the prevalence and antimicrobial resistance patterns of Campylobacter jejuni isolated from duck feces. In total, 112 (32.9%) isolates of C. jejuni were identified from 430 duck feces samples from September to December, 2010. All isolates were susceptible to telithromycin, whereas majority of the C. jejuni isolates were resistant to azithromycin (18.8%), ciprofloxacin (86.6%), erythromycin (0.9%), gentamicin (15.2%), tetracycline (80.4%), florfenicol (3.6%), nalidixic acid (87.5%), clindamycin (7.1%). As a result, appropriate protocols for antimicrobial agents and strategies to reduce antimicrobial resistance will be needed in the future.
서울지역 사육 소의 큐열 및 톡소포자충 항체 보유율 조사
김능희 ( Neung Hee Kim ),김혜라 ( Hye Ra Kim ),박형숙 ( Hyung Suk Park ),김영섭 ( Young Sub Kim ),이주형 ( Ju Hyung Lee ) 한국동물위생학회 2015 한국동물위생학회지 (KOJVS) Vol.38 No.4
Both Q-fever and Toxoplasmosis are zoonosis. Q-fever occurs due to intracellular bacteria, while Toxoplasmosis is created by protozoan. Both of them have a wide range of host including livestock and wild animals and occur sporadically all over in the world. In this study, seroprevalence of Q-fever and Toxoplasmosis was investigated on cows bred in the area of Seoul where there was a fairly high possibility to occur, while vaccine was not used in Korea. As for experiment materials, cattle blood collected from 190 cows from February to September in 2014 was used ELISA. According to the result, there was a positive reaction on Q-fever from 18 cows out of total 190 cows (9.5%) and on Toxoplasmosis from 32 cows (16.8%). Seroprevalence of both diseases per age was turned out to be negative for those aged less than 2. In addition, it was shown to be positive on 4 cows out of 87 (4.6%) cows aged from 3 to 5, on 7 cows out of 30 cows (23.3%) aged from 6 to 7. Finally, it was shown to be positive on 7 cows out of 17 cows (41.2%) aged 8 or above. Toxoplasmosis was turned out to be positive on 1 cow out of 56 cows (1.8%) aged less than 2, on 6 cows out of 87 cows (6.9%) aged from 3 to 5, on 17 cows out of 30 cows (56.7%) aged from 6 to 7. In addition, it was turned out to be 8 cows out of 17 cows (47.1%) aged 8 or above. Seroprevalence of both diseases was turned out to be higher as age increased. Therefore, it seems that a wide range of investigation on the entire disease spreaders as well as livestock is required since infection of Q-fever and Toxoplasmosis, types of zoonosis, has continuously occurred, and the number of insects, wild animals, and stray animals serving as a role of spreading diseases by changes in seasons and environments has been gradually increasing in Korea.
서울지역 동물보호소 내 유기견의 개 심장사상충 감염 실태조사
김능희 ( Neung Hee Kim ),곽정연 ( Jeong Yeon Kwak ),김혜라 ( Hye Ra Kim ),박형숙 ( Hyeong Suk Park ),김두환 ( Doo Hwan Kim ),이주형 ( Ju Hyung Lee ) 한국동물위생학회 2014 한국동물위생학회지 (KOJVS) Vol.37 No.3
Dirofilaria immitis infection is one of the most important parasitic diseases in dogs and public health. It often elicits nodules in the pulmonary parenchyma and in the subcutaneous tissues of human. In this study, we investigated the prevalence of D. immitis infection among 754 dogs in Seoul area from April to December 2012. The infection rate of 754 dogs was 9.8% (74/754) by the antigen test (canine SNAP 4Dx). The infection rates of D. immitis in dogs at the age of <2, 2∼4, 5∼7, 8∼10, and >10 years were 3.7% (7/189), 12.9% (30/233), 15.0% (19/127), 9.8% (18/184), and 0% (0/21), respectively. The infection rates in the female and male dogs were 9.7% (33/340) and 9.9% (41/414), respectively. The regional infection rates in northern and southern Han river region of Seoul were 10.7% (44/410) and 8.7% (30/344), respectively. In order to confirm D. immitis infection, we performed PCR on serum samples of 74 dogs which tested positive for D. immitis antigen by the antigen test and we detected a specific gene ITS-2 in 59 serum samples. In conclusion, this study suggests that treatment and preventive care on the D. immitis infection should be considered in dogs of Seoul area.
서울지역 길고양이의 Toxoplasma 감염증 실태조사
김능희 ( Neung Hee Kim ),채희선 ( Hee Sun Chae ),한혜진 ( Hye Jin Han ),손홍락 ( Hong Rak Son ),김창기 ( Chang Ki Kim ),김선흥 ( Sun Heung Kim ),이정학 ( Jung Hark Lee ),김철훈 ( Chul Hun Kim ) 한국동물위생학회 2009 한국동물위생학회지 (KOJVS) Vol.32 No.3
Toxoplasma gondii is one of the most common protozoa parasites of human and other warm-blooded animals. Cats and wild felidae play crucial roles in the epidemiology of toxoplasmosis. This study was performed to survey the prevalence of T. gondii infection among stray cats in the Seoul. A total of 422 stray cat blood samples were collected from Seoul area. Positive sera for T. gondii were identified in 56 samples (13.3%) exclusively via the latex agglutination test and the detection no antigen particles among seropositive samples by PCR. The overall infection rate of male stray cats (14.4%) presented as higher than that of female cats (10.7%). This study suggested that T. gondii is widespread in stray cats of Seoul area. It is needed to control urban stray cat population and to reduced the risk of zoonotic transmission of toxolasmosis to other animals and humans.
Monocrotophos poisoning in doves in Seoul
곽정연,김능희,강영일,신방원 한국예방수의학회 2013 예방수의학회지 Vol.37 No.3
Organophosphate and carbamate pesticides are used to control pests in agricultural industry and home gardening. These toxic compounds operate through inhibiting the enzyme acetylcholinesterase, allowing acetylcholine to transfer nerve impulses indefinitely, and causing various symptoms such as weakness and paralysis. Monocrotophos is an organophosphate insecticide, which is highly toxic to birds and human beings. Totally 57 dead doves were sent to the Seoul Metropolitan Government Research Institute of Public Health & Environment for further examination. All of the carcasses were found in Gwanak-gu two times, 18 doves on 7 August 2012 and 39 doves on 1 October 2012 respectively. Gross examinations revealed no evidence of any specific disease condition. The contents of gastrointestinal tracts contained residues of monocrotophos ranged from 600.57 to 749.2mg/kg in 18 dead doves and 5,064mg/kg in 39 dead doves. Based on these evidences, we conclude that the doves died due to monocrotophos poisoning after taking the food contaminated by monocrotophos. It was assumed that a misuse and an abuse case of commonly used pesticides in Korea.
곽정연,김능희,강영일,신방우 한국예방수의학회 2013 예방수의학회지 Vol.37 No.3
Visceral larva migrans (VLM) is a clinical syndrome caused by the migration of certain larval nematodes through the tissues of an aberrant host. VLM in humans is most frequently associated with Toxocara canis, the common roundworm of dogs. To demonstrate the prevalence of Toxocara spp. eggs in public playgrounds in Seoul city, soil samples collected from April to December in 2012 were examined. Eggs of parasite were found 4 of 1174 in soil samples from public playgrounds and educational facilities in Seoul. Of the 1174 soil samples examined, 0.34% of samples were found th be positive ova of Toxocara canis. Soil samples in educational facilities were more contaminated(0.57%) with the eggs than those in public playground area(0%). Most Toxocara canis eggs in sands were found in th autumn.
R plasmid와 bla Gene을 이용한 병원 내 유행 ${\beta}$-lactam 내성 장내세균의 확인
설성용,원준희,김능희,유학선,이유철,조동택,김정완,Seol, Sung-Yong,Won, June-Hee,Kim, Neung-Hee,Yu, Hak-Sun,Lee, Yoo-Chul,Cho, Dong-Taek,Kim, Jung-Wan 대한미생물학회 2001 Journal of Bacteriology and Virology Vol.31 No.3
Clinical isolates of Enterobacteriaceae (189 Klebsiella, 61 Enterobacter, 32 Serratia, 19 E. coli, 7 Proteus, and 3 Citrobacter) from one university hospital were epidemiologically analyzed by using transferable R plasmids resistant ${\beta}$-lactam antibiotics including broad-spectrum cephalosporins. About 30% of E. cloacae and S. marcescens and about 5% of K. pneumoniae were resistant to one or more broad-spectrum ${\beta}$-lactam antibiotics including cefotaxim, ceftazidime, aztreonam, or cefoxitin but all isolates of E. aerogenes, K. oxytoca, and P. mirabilis were susceptible. Thirty-six conjugative R plasmids including 8 plasmids resistant expanded-spectrum cephalosporins were obtained from multiple resistant K. pneumoniae (19), E. cloacae (9), E. coli (4), and C. freundii (1). Thirty-one plasmids were subjected to R plasmid analysis and classified 20 different plasmid types. Among them 5, 2, and 2 plasmids belong to 3 different types respectively showed identical molecular size, endonuclease fragment pattern by Southern hybridization pattern by TEM-1 probe, pI value by isoelctric focusing, and also identical antibiogram and biotype of wild strains harboring plasmids. But all of plasmids resistant to cefotaxim, ceftazidime, aztreonam or cefoxitin showed different palsmid anlysis patterns. These results indicate that the epidemic strains of 3 clonal types had been present in this hospital and anlysis using transferable R plasmid and bla gene can be used to discriminate multi-resistant clinical isolates of Enterobacteriaceae.