> circulating antibody levels alone are not definitive measures of immune status
This is well established in the literature.
The paper you have cited absolutely does not support the claim that the "vaccine is more effective than antibodies from a previous infection".
> circulating antibody levels alone are not definitive measures of immune status
This is well established in the literature.
The paper you have cited absolutely does not support the claim that the "vaccine is more effective than antibodies from a previous infection".