PMC:7461420 / 29529-30172 JSONTXT

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A recent study confirms the role of TMPRSS2 for the viral life cycle in SARS‐CoV‐2‐infected VeroE6 cells. 5 Furin (a serine endoprotease) activates MERS‐CoV to initiate the nonclathrin mediated membrane fusion event. 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