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. 2023 Dec 10;11(12):1835. doi: 10.3390/vaccines11121835

Table 2.

Subjects with SARS-CoV-2 breakthrough infections following the mRNA-1273 booster and bivalent Omicron-adapted BNT162b2 vaccine.

mRNA-1273 Booster Bivalent Omicron-Adapted BNT162b2
SARS-CoV-2 breakthrough infection * Yes
N (%)
No
N (%)
p-value ** Yes
N (%)
No
N (%)
p-value **
Yes 157 (67) 10 (83) 0.347 26 (36) 36 (39) 0.683
No 79 (33) 2 (17) 47 (64) 57 (61)

* SARS-CoV-2 breakthrough infections were diagnosed as described in the Methods section (see text for details). ** Chi-squared test or Fisher’s exact test.