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Distribution of suspected, probable, and culture-confirmed cases among children <5 years old. *Cases were classified as not meeting suspected case definition due to missing clinical data. †Culture-confirmed: Any case with positive culture of CSF with identification of Haemophilus influenzae, Sp, Nm (gold standard for confirmed cases). Total confirmed includes other bacteria or nonspecified bacteria. Note: PCR and antigen detection data not included. LP, lumbar puncture
