: WO1 and nsp12 [RdRp without RNA], H: XO1 and nsp12 [RdRp with RNA]. MS: MXSG and SGMH, MX: MXSG and XCH, SX: SGMH and XCH, WO: WLS and Others, XO: XCH and Others. 3.7 ACE2 and CD147 expression across tissues and co-expression genes Since 2019-nCov may enter other tissues an