While a bat beta-CoV sharing 95% nucleotide homology with SARS-CoV has been discovered, there is also a bat CoV sharing 96% nucleotide homology with SARS-CoV-2 .
Data ya kiepidimiolojia iliyofichua kwa njia ya kurudi nyuma kwamba faharasa ya kisa cha SARS kilikuwa na historia ya kutangamana na wanyama wa porini.