That's exactly right. As of today, some virologists think that we are already seeing early signs of convergence among virus variants, i.e. the same mutations ap

That's exactly right. As of today, some virologists think that we are already seeing early signs of convergence among virus variants, i.e. the same mutations appearing in different variants. It's early speculation and there is no guarantee, but it's certainly not given that there will be a variant that forces us to start from scratch.