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First molecular and serological evidence of Coxiella burnetti infection among sheep and goats of Jammu province of India

Abstract : The epidemiology and prevalence of Q fever in India is largely unknown. There are very few serologic and molecular reports of Q fever in India and these are old reports. The objective of this study was to investigate, for the first time, the presence of Coxiella burnetii infection in sheep and goat flocks of Jammu province of Jammu and Kashmir, India. A total of 148 milk (110 sheep and 38 goats) samples, 282 sera (170 sheep and 112 goats), and 152 vaginal swabs (123 sheep and 29 goats) were collected from farms with incidences of repeated abortion. The LSI Q fever ruminant serum/milk ELISA kit was used to identify anti-C. burnetii antibodies and nested PCR was employed to detect DNA in vaginal swabs. Overall, 42 (38.2%; 95% CI: 29.2-47.9) sheep and 9 (23.7%; 95% CI: 12.0-40.6) goat milk samples, and 21 (12.4%; 95% CI: 8.0-18.5) sheep and 11 (9.8%; 95% CI: 5.2-17.3) goat sera were ELISA positive. In addition, nine (7.3%; 95% CI: 3.6-13.8) vaginal swabs from sheep tested positive by nested PCR; however, C. burnetii could not be found in any of the vaginal swabs from goat. These results indicate that sheep seem to be a more important reservoir of C. burnetii than goats posing a risk for human infection in this area.
Keywords : Nested PCR
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Submitted on : Tuesday, May 26, 2020 - 6:38:34 AM
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Shefali Raj Gangoliya, Sanjay Kumar, Syed Imteyaz Alam, Harsh Kumar Sharma, Maninder Singh, et al.. First molecular and serological evidence of Coxiella burnetti infection among sheep and goats of Jammu province of India. Microbial Pathogenesis, Elsevier, 2019, 130, pp.100-103. ⟨10.1016/j.micpath.2019.02.034⟩. ⟨hal-02622790⟩

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