I dont fully follow what you are saying. The statement was about grafting a new spike in place of an old one. Where is it implied that SARS doesnt have a spik

I dont fully follow what you are saying. The statement was about grafting a new spike in place of an old one. Where is it implied that SARS doesnt have a spike? I dont even think that is the important takeaway. The no-see-um editing technique can apply to more than just spike proteins. I dont think its being implied that thats what happened.