P-Glycoprotein Posted on January 30, 2026 The zoster vaccine increases the number of VZV specific CD4+ T cells [14] and older adults have an increase in IFN after a second dose of vaccine [15] The zoster vaccine increases the number of VZV specific CD4+ T cells [14] and older adults have an increase in… The zoster vaccine increases the number of VZV specific CD4+ T cells [14] and older adults have an increase in IFN after a second dose of vaccine [15] Read More