Does frailty blunt flu vaccine effectiveness in adults aged 50 and over? on: July 13, 2026, 08:52:37 pm #1 From NTK Papers (July 10, 2026): Meta-analysis: Does frailty blunt flu vaccine effectiveness in adults 50 and over? Logged MS Speaks--online for 20 yearsSPMS, diagnosed 1980. Avonex 2001-2004. Copaxone 2007-2010. Glatopa (glatiramer acetate 40mg 3 times/week) 12/16/20 - 3/16/24.