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. 2022 Feb 2;148:105098. doi: 10.1016/j.jcv.2022.105098

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Fig 1 — IFN-y release after stimulation with SARS-CoV-2 spike antigen in different groups. Differences are highly significant with p < 0.001 unless indicated. BNT162b2–1 and −2 denotes health care workers (HCW) after the first and second dose of BNT162b2 (n = 38), AZD1222 denotes HCW after first dose of AZD1222 (n = 30) and AZD1222+mRNA1273 after the second dose with mRNA-1273 (heterologous vaccination scheme, n = 27). ns = not significant.