I suspect that it is. There may be some reason it is good enough with a single shot, but the others aren't, but still... I didn't want J&J, not because I think

I suspect that it is. There may be some reason it is good enough with a single shot, but the others aren't, but still... I didn't want J&J, not because I think it is a worse vaccine, but because it is currently only a single shot.