NavGeneral InfoEmail Print Geography Global Coverage type Global Time period covered 01/1990 - present Data type Modeled data Summary These estimates reflect the proportion of lower respiratory infection episodes that are moderate and severe based on an analysis of the ratio of prevalence among outpatient and inpatient healthcare data. Keywords Lower respiratory infections Citation Contributors Institute for Health Metrics and Evaluation (IHME) Suggested citation Institute for Health Metrics and Evaluation (IHME). IHME GBD Lower Respiratory Infection Severity Distribution Estimates. GHDx Entry last modified on: Nov 6, 2018