to some of the vaccines? that spread that they could become immune to some of the vaccines? to some of the vaccines? that is a deel to some of the vaccines? that is a deeply concerning to some of the vaccines? that is a deeply concerning threat - to some of the vaccines? that is a deeply concerning threat that - to some of the vaccines? that is a deeply concerning threat that is i deeply concerning threat that is looming. we know the deaths of varying for example does not avoid immunity but you have to have two doses of the vaccine to have real protection against it. and most of the world hasn t had to doses of full immunisations in order to be fully protected from the variance that are becoming dominant now. so as long as we start to keep seeing the humanitarian crises like we have in brazil and india that we are starting to see happen now and parts of the southeast asia and sub saharan africa, we will continue to see emerging variance and none of us safe as long as that is happeni