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Level of anti-spike IgG and IFN-γ three weeks after the second dose of the BNT162b2 vaccine.
Both box plots show the median, quartiles, and outliers. a) Anti-spikeIgG levels after the second dose. IgG levels in female were higher than levelsin male (***P < .001). b) Levels of IFN-γ at baseline and threeweeks after the second dose.
