Not enough time has elapsed to say, but it certainly does appear to put immunity back up to original levels, which were against wild-type, even though delta is

Not enough time has elapsed to say, but it certainly does appear to put immunity back up to original levels, which were against wild-type, even though delta is worst. https://www.nejm.org/doi/full/10.1056/NEJMoa2114255 https://www.nejm.org/doi/full/10.1056/NEJMoa2114255