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. Author manuscript; available in PMC: 2020 Feb 28.
Published in final edited form as: Vaccine. 2019 Feb 7;37(10):1284–1292. doi: 10.1016/j.vaccine.2019.01.055

Fig. 4.

Fig. 4.

Geometric mean hemagglutination-inhibition and neuraminidase-inhibition antibody titers by two-year vaccination status in the (A) 2014–2015 and (B) 2015–2016 influenza seasons.