Per SARS CoV, A number of cleaved and uncleaved forms of the SARS-CoV-2 spike protein. Notably, the cleavage sample towards the the SARS spike good Management from Calu3 cells, a respiratory cell line, varies slightly and could signal discrepancies among proteolytic cleavage on the spike proteins concerning the two viruses https://www.facebook.com/NewTechFind/posts/pfbid0YPAzGvVz72mKah68ctQg3wP1JFbs9jq9dyoRfz9AkydHS5u7wshhDSMEEcCg7NQCl