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The aetiology of recurrent and/or chronic OM in children continues to be primarily associated with H. influenzae. These data highlight the need for a concerted effort to develop effective preventative strategies for H. influenzae, most notably, nontypeable (NTHi). Higher valency PCVs may impact on pneumococcal OM.
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Seppanen et al. (2025) studied this question.
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