The purpose of this study was to describe prevalence and spatial distribution of Coxiella burnetii infections in dairy cow sheds in Latvia and to investigate risk factors contributing to C. burnetii infections. Blood serum samples from abortion cases from 1010 sheds have been tested by ELISA for the presence of C. burnetii antibodies and bulk tank milk (BTM) samples from 252 sheds have been tested by real time polymerase chain reaction and ELISA for the presence of C. burnetii DNA and antibodies. Prevalence of C. burnetii antibody-positive sheds in cases of abortion was 13.4%. A total of 10.7% and 13.2% of dairy cow sheds tested positive for the presence of C. burnetii DNA and antibodies in BTM, respectively. Two distinct areas of clustering of test-positive dairy cattle sheds were identified by spatial scan statistics of abortion cases and randomly sampled BTM samples. Three factors were identified as significantly contributing to the risk of C. burnetii DNA presence in BTM - number of cattle in shed (>200 animals/shed) (OR 3.93), location of the shed within risk area in Northern Latvia (OR 8.29) and for the first time, purchasing cattle from abroad has been shown to significantly increase risk (OR 2.68) of C. burnetii infection in dairy cows in Latvia.
机构:
Dongguk Univ, Coll Med, Dept Prevent Med, Gyeongju 38066, South KoreaDongguk Univ, Coll Med, Dept Prevent Med, Gyeongju 38066, South Korea
Park, Ji-Hyuk
Hwang, Seon Do
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Korea Natl Inst Hlth, Korea Ctr Dis Control & Prevent, Ctr Immunol & Pathol, Div Zoonoses, Cheongju 28159, South Korea
Korea Ctr Dis Control & Prevent, Ctr Lab Control Infect Dis, Div Bacterial Dis, Cheongju 28159, South KoreaDongguk Univ, Coll Med, Dept Prevent Med, Gyeongju 38066, South Korea
Hwang, Seon Do
Acharya, Dilaram
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Dongguk Univ, Coll Med, Dept Prevent Med, Gyeongju 38066, South Korea
Kathmandu Univ, Devdaha Med Coll & Res Inst, Dept Community Med, Devdaha Municipality 32900, Rupandehi, NepalDongguk Univ, Coll Med, Dept Prevent Med, Gyeongju 38066, South Korea
Acharya, Dilaram
Lee, Seung Hun
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Korea Natl Inst Hlth, Korea Ctr Dis Control & Prevent, Ctr Immunol & Pathol, Div Zoonoses, Cheongju 28159, South Korea
Korea Ctr Dis Control & Prevent, Yeosu Natl Quarantine Off, Yeosu 59729, South KoreaDongguk Univ, Coll Med, Dept Prevent Med, Gyeongju 38066, South Korea
Lee, Seung Hun
Hwang, Kyu Jam
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Korea Natl Inst Hlth, Korea Ctr Dis Control & Prevent, Ctr Immunol & Pathol, Div Zoonoses, Cheongju 28159, South Korea
Korea Ctr Dis Control & Prevent, Korea Natl Inst Hlth, Ctr Infect Dis, Pathogen Resource TF, Cheongju 28159, South KoreaDongguk Univ, Coll Med, Dept Prevent Med, Gyeongju 38066, South Korea
Hwang, Kyu Jam
Yoo, Seok-Ju
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Dongguk Univ, Coll Med, Dept Prevent Med, Gyeongju 38066, South KoreaDongguk Univ, Coll Med, Dept Prevent Med, Gyeongju 38066, South Korea
Yoo, Seok-Ju
Lee, Kwan
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Dongguk Univ, Coll Med, Dept Prevent Med, Gyeongju 38066, South KoreaDongguk Univ, Coll Med, Dept Prevent Med, Gyeongju 38066, South Korea
机构:
Estonian Univ Life Sci, Inst Vet Med & Anim Sci, Chair Vet Biomed & Food Hyg, EE-51006 Tartu, EstoniaEstonian Univ Life Sci, Inst Vet Med & Anim Sci, Chair Vet Biomed & Food Hyg, EE-51006 Tartu, Estonia
Neare, Kaedi
Tummeleht, Lea
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Estonian Univ Life Sci, Inst Vet Med & Anim Sci, Chair Vet Biomed & Food Hyg, EE-51006 Tartu, EstoniaEstonian Univ Life Sci, Inst Vet Med & Anim Sci, Chair Vet Biomed & Food Hyg, EE-51006 Tartu, Estonia
Tummeleht, Lea
Lassen, Brian
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Tech Univ Denmark, Natl Food Inst, Res Grp Foodborne Pathogens & Epidemiol, DK-2800 Kongens Lyngby, DenmarkEstonian Univ Life Sci, Inst Vet Med & Anim Sci, Chair Vet Biomed & Food Hyg, EE-51006 Tartu, Estonia
Lassen, Brian
Viltrop, Arvo
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Estonian Univ Life Sci, Inst Vet Med & Anim Sci, Chair Vet Biomed & Food Hyg, EE-51006 Tartu, EstoniaEstonian Univ Life Sci, Inst Vet Med & Anim Sci, Chair Vet Biomed & Food Hyg, EE-51006 Tartu, Estonia
机构:
Univ Guelph, Dept Populat Med, 50 Stone Rd E, Guelph, ON N1G 2W1, CanadaUniv Guelph, Dept Populat Med, 50 Stone Rd E, Guelph, ON N1G 2W1, Canada
Jones-Bitton, Andria
McEwen, Scott A.
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Univ Guelph, Dept Populat Med, 50 Stone Rd E, Guelph, ON N1G 2W1, CanadaUniv Guelph, Dept Populat Med, 50 Stone Rd E, Guelph, ON N1G 2W1, Canada
McEwen, Scott A.
Jansen, Jocelyn
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Ontario Minist Agr Food & Rural Affairs, Vet Sci & Policy, Elora, ON, CanadaUniv Guelph, Dept Populat Med, 50 Stone Rd E, Guelph, ON N1G 2W1, Canada
Jansen, Jocelyn
Patel, Samir N.
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Publ Hlth Ontario, Toronto, ON, Canada
Univ Toronto, Dept Lab Med & Pathobiol, Toronto, ON, CanadaUniv Guelph, Dept Populat Med, 50 Stone Rd E, Guelph, ON N1G 2W1, Canada
Patel, Samir N.
Filejski, Catherine
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Ontario Minist Hlth & Long Term Care, Toronto, ON, CanadaUniv Guelph, Dept Populat Med, 50 Stone Rd E, Guelph, ON N1G 2W1, Canada
Filejski, Catherine
Menzies, Paula
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Univ Guelph, Dept Populat Med, 50 Stone Rd E, Guelph, ON N1G 2W1, CanadaUniv Guelph, Dept Populat Med, 50 Stone Rd E, Guelph, ON N1G 2W1, Canada