Received: 19 May 2021
Accepted: 4 June 2021
First Online: 10 June 2021
: X.X. and P.-Y.S. have filed a patent on the reverse genetic system of SARS-CoV-2. K.A.S., H.C., M.C., D.C., K.U.J., and P.R.D. are employees of Pfizer and may hold stock options. A.M. and U.S. are employees of BioNTech and may hold stock options. Y.L., H.X., J.Z., X.X. and P.-Y.S. received compensation from Pfizer to perform the project.
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