Table 1. Summary of BNT162b2-vaccinated sera used in this study.

ID	Age	Sex	NP-IgG
1	57	Female	Negative
2	54	Female	Negative
3	54	Female	Negative
4	50	Female	Negative
5	51	Female	Negative
6	53	Male	Negative
7	49	Female	Negative
8	53	Female	Negative
9	48	Female	Negative
10	48	Female	Negative
11	48	Female	Negative
12	47	Female	Negative
13	52	Female	Negative
14	46	Female	Negative
15	45	Female	Negative
16	62	Male	Negative
17	44	Female	Negative
18	45	Female	Negative
19	43	Female	Negative