Impact of influenza vaccine on childhood otitis media in Taiwan: A population-based study
Fig 1
Significant reduction in AOM incidence was observed after introduction of the trivalent influenza vaccine (TIV).
In children < 2 years old, who received free influenza vaccination, there was a significant reduction in AOM incidence after the introduction of the TIV in 2004. Meanwhile, the seasonal incidence of AOM in those 2–4 years old and 5–9 years old in 2004–2006 were significantly increased.