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Adjusted rVE (95% CI)—Post-IPTW and Poisson Regression—aIIV3 vs. HD-IIV3e from Main Analysis. aIIV3 = adjuvanted trivalent influenza vaccine; CRD = cardio-respiratory disease; ER = emergency room; HD-IIV3e = high-dose trivalent influenza vaccine; rVE = relative vaccine effectiveness; UTI = urinary tract infection.
