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Title of Journal: Virus Genes

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Abbravation: Virus Genes

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Springer US

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1572-994X

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Epidemiological investigation of Middle East respi

Authors: Salama Al Muhairi Farida Al Hosani Yassir M Eltahir Mariam Al Mulla Mohammed F Yusof Wissam S Serhan Farouq M Hashem Elsaeid A Elsayed Bahaaeldin A Marzoug Assem S Abdelazim
Publish Date: 2016/06/29
Volume: 52, Issue: 6, Pages: 848-854
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Abstract

The objective of this research was to investigate the prevalence of Middle East respiratory syndrome coronavirus MERSCoV infection primarily in dromedary camel farms and the relationship of those infections with infections in humans in the Emirate of Abu Dhabi Nasal swabs from 1113 dromedary camels 39 farms and 34 sheep 1 farm and sputum samples from 2 MERSCoVinfected camel farm owners and 1 MERSCoVinfected sheep farm owner were collected Samples from camels and humans underwent realtime reversetranscription quantitative PCR screening to detect MERSCoV In addition sequencing and phylogenetic analysis of partially characterized MERSCoV genome fragments obtained from camels were performed Among the 40 farms 6 camel farms were positive for MERSCoV the virus was not detected in the single sheep farm The maximum duration of viral shedding from infected camels was 2 weeks after the first positive test result as detected in nasal swabs and in rectal swabs obtained from infected calves Three partial camel sequences characterized in this study open reading frames 1a and 1ab Spike1 Spike2 and ORF4b together with the corresponding regions of previously reported MERSCoV sequence obtained from one farm owner were clustering together within the larger MERSCoV sequences cluster containing human and camel isolates reported for the Arabian Peninsula Data provided further evidence of the zoonotic potential of MERSCoV infection and strongly suggested that camels may have a role in the transmission of the virus to humans

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