serum 只显示1/3中和功能。serum作用主要是抗体？T cells作用不变？

All serum samples were able to neutralize the viruses but were about two-thirds weaker against the B1351 spike protein. However, the authors said that because the vaccines also produce other types of immune responses, such as from T cells, they may be more effective in real life than in the lab.

Pfizer, Moderna vaccines may be less effective against B1351 variant | CIDRAP (umn.edu)