Fig. 2

Hazard ratios for new-onset LRTI after index hospitalization^a. Abbreviations: ACIP, Advisory Committee on Immunization Practices; COVID-19, coronavirus disease 2019; ICU, intensive care unit; LRTI, lower respiratory tract infection. ^aIndex hospitalizations include individuals hospitalized for reasons other than LRTI (“non-LRTI”), those hospitalized for COVID-19 LRTI (“COVID-19 LRTI”), and those hospitalized for LRTI without COVID-19 (“non-COVID-19 LRTI”)