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. Author manuscript; available in PMC: 2017 Feb 1.
Published in final edited form as: Vaccine. 2016 Dec 22;35(5):831–841. doi: 10.1016/j.vaccine.2016.12.026

Figure 1.

Figure 1

B cell frequency and apoptosis in responders and non-responders. Blood samples were tested for surface staining, and PBMCs were tested for apoptosis pre- and post-influenza vaccinations. (A) Representative dot plots display the gating strategy used to assess the percentages of B cells (tB) in PBMCs and the frequencies of B cell apoptosis. (B) The median frequencies of total B cells (CD19+) in PBMCs. The median frequencies of annexin V binding among total B cells (CD19+, C) and memory B cells (mB, CD19+CD27+IgD−, D). IR: immunologic responder; INR: immunologic non-responder.