Funding for this research was provided by:
the National Natural Science Fund of China (31672556)
Article History
Received: 15 January 2019
Accepted: 29 April 2019
First Online: 17 May 2019
Ethics approval
: Experimental protocols for acquiring cattle clinical samples were performed in strict accordance with the Chinese Regulations of Laboratory Animals (Ministry of Science and Technology of People’s Republic of China, 20110108), and the animal study proposal was approved by Shandong Normal University Animal Care and Use Committee. All owners of the farms where nasal swabs and lung tissue samples signed an informed consent before participation in the study.
: Not applicable
: The authors declare that they have no competing interests.
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