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. 2020 Mar 13;8(1):126. doi: 10.3390/vaccines8010126

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© 2020 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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CD4+ T cell responses induced by H3N2v vaccination. (A) Temporal H3N2v CD4+ T cells among vaccinees as determined by 4 immune marker secretion (CD154, IFN-γ, IL-2 and IL-21), and (B) Immune marker profile of CD4+ T cells at Day 8.

CD4+ T cell responses induced by H3N2v vaccination. (A) Temporal H3N2v CD4+ T cells among vaccinees as determined by 4 immune marker secretion (CD154, IFN-γ, IL-2 and IL-21), and (B) Immune marker profile of CD4+ T cells at Day 8.