For ORF1b gene, the closest relative is BtCoV/4991 (KP876546, 98.65% nucleotide identity, based on partial RdRp gene comparisons) identified from Rhinolophus affinis from Yunnan; whereas for the rest of the genes analysed, the closest are bat-SL-CoVZXC21 (76.5–91.2% nucleotide identity) and bat-SL-CoVZC45 (76.9–91.2% nucleotide identity) identified from Rhinolophus sinicus.