https://bmcgenomdata.biomedcentral.com/articles/10.1186/s12863-023-01169-8
"Probable human origin of the SARS-CoV-2 polybasic furin cleavage motif"
https://bmcgenomdata.biomedcentral.com/articles/10.1186/s12863-023-01169-8
"Probable human origin of the SARS-CoV-2 polybasic furin cleavage motif"