Received: 24 October 2019
Accepted: 10 April 2020
First Online: 29 May 2020
Compliance with Ethical Standards
: The authors declare that they have no conflict of interest.
: This study was carried out in strict accordance with the recommendations of the national guidelines for the use of animals in scientific research ‘‘Regulations for the Administration of Affairs Concerning Experimental Animals’’. The protocol was also approved by the Animal Care Committee of Wuhan Institute of Virology (Permit Number: WIVA07201804). All efforts were made to minimize suffering.
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