Pneumococcal vaccination in children at risk of developing recurrent acute otitis media - a randomized study.
Aim: Acute otitis media (AOM) is a common childhood disease, which often becomes recurrent (rAOM). A small reduction of AOM episodes has been noted in unselected child cohorts after vaccination with heptavalent conjugate pneumococcal vaccine (PCV7). The purpose of this study was to investigate how vaccination affects young children at risk of developing rAOM. Methods: Ninety-six children with an A
