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Rates of lower respiratory tract infections (LRTIs) by gestation and age group. (A) Rates of preterm (left) and full-term (right) severe and very severe LRTI in community and hospital, by age group. (B) Rates of preterm (left) and full-term (right) severe and very severe LRTI associated with respiratory syncytial virus (RSV) infection in community and hospital, by age group.
