"The MRP pseudo-sequence supertree analysis firmly disputes bat coronavirus RaTG13 be the last common ancestor of SARS-CoV-2, which was implied by other phylogenetic tree analysis based on viral genome sequences."
"The actual validity of RaTG13 be the direct ancestor of SARS-CoV-2 is seriously questioned, although they share 96.5% identical genome sequence. Taking RaTG13 as the last common ancestor of SARS-CoV-2 would seriously mislead phylogenetic inference of SARS-CoV-2."
"There probably exists another bat coronavirus in divergent species as the adjacent ancestor of SARS-CoV-2, and/or SARS-CoV-2s already made advanced evolution in its animal host."
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