Correction to: Cell Research; published online 19 March 2021

We apologize for an error in this paper online published on Mar 19, 2021. There is a mistake on the title where “TRL41” should be “TLR4”. This correction does not affect the description of the results or the conclusion of this work. We apologize for not detecting them before publication and any inconvenience caused. The correct title should be as follows:

SARS-CoV-2 spike protein interacts with and activates TLR4