title: Editorial commentary: seasonal changes in pneumococcal disease--still much of an enigma.
authors.affiliation: Immunisation Hepatitis and Blood Safety Department, Public Health England, London, United Kingdom.
authors.forename: Albert Jan
authors.initials: AJ
authors.lastname: van Hoek
authors.forename: Elizabeth
authors.initials: E
authors.lastname: Miller
mesh_terms: D002353:Carrier State / Q000453:epidemiology*; D006801:Humans; D011008:Pneumococcal Infections / Q000453:epidemiology*; D018357:Respiratory Syncytial Virus Infections / Q000453:epidemiology*; D012621:Seasons
keywords: co-morbidity; nasopharyngeal carriage; pneumococcus; seasonality