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Dear Editor,rnSARS-CoV-2 or COVID-19 has become pandemic and spread to more than 200 countries with over 24 million human infected cases(WHO 2020).The origin of SARS-CoV-2 remains unknown,though bat,pangolin,and snake were reported to be the potential animal reservoirs(Ji et al.2020;Ward et al.2020;Chen et al.2020).Companion animals including dogs and cats were recent sporadically reported to be infected by SARS-CoV-2 with or without clinical symptoms(Li 2020a,b;Sailleau et al.2020).