No. AFAIK, they may target different proteins on the virus hull and also differ in other respects among each other. Some of them might be less effective than ot

No. AFAIK, they may target different proteins on the virus hull and also differ in other respects among each other. Some of them might be less effective than others, some might be more prone to being rendered ineffective by virus mutations than others, there can be substantial differences in the number of complications caused by vaccination, and some of them could also cause problems with developing future vaccines for deadly coronavirus variants that may occur another time. At least, that's how I understand it from what I've heard. Others should please correct me if I'm wrong.