Risk of developing pneumococcal disease in individuals under 19 years of age with chronic medical conditions: a retrospective cohort study using a Japanese insurance claims database.

OBJECTIVES: To evaluate the risk of invasive pneumococcal disease (IPD) and non-bacteraemic pneumonia (NBP)/acute otitis media (AOM)/sinusitis in Japanese individuals under 19 years of age with chronic medical conditions (CMCs) compared with those wi…

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