From the June 9, 2021, edition of The Charlie Kirk Show, streamed on YouTube

CHARLIE KIRK (HOST): We still do not know all the side effects that could, let me reemphasize, that could -- let me reemphasize -- that could have issues with fertility that could have issues with long-term viability. Now, there's some debate whether or not there are fetal cells in this particular vaccine. I don't know if that's true or not. But some vaccines do have aborted fetal tissue.