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. 2021 Oct 24;13(11):2143. doi: 10.3390/v13112143

Figure 2.

Figure 2

Gate strategy to set B and T lymphocytes by flow cytometry. (a) Gate strategy to set B cells (CD19+) (green) as well as T cells (CD3+) (black) from peripheral blood mononuclear cells. (b) Percentage of twins’ memory B cells subset (CD19+CD27+CD38+) activated after spike glycoprotein activation at 30 days after the second dose of COVID-19 vaccine (120 days). (c) Twins’ CD8+ T cells expressing the supertype HLA class I A*24 by immunophenotyping from peripheral mononuclear cells at the day 120 into the follow up (30 days after second dose of COVID-19 vaccine) and using a negative control (HLA-A*02).