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Fig. 1 | BMC Infectious Diseases

Fig. 1

From: Incidence of acute otitis media in children in the United States before and after the introduction of 7- and 13-valent pneumococcal conjugate vaccines during 1998–2018

Fig. 1

Trends in annual incidence rates of AOM by age group among commercially insured children aged < 18 years, in episodes per 1000 patient-years (1998–2018). AOM acute otitis media, PCV pneumococcal conjugate vaccine, PY person-years. Simple and recurrent episodes were categorized in patients with at least 12 months of continuous health plan enrollment prior to the index episode

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