NavGeneral InfoEmail Print Geography Global Coverage type Global Time period covered 01/1990 - present Data type Modeled data Summary These estimates reflect the ratio of case fatality among viral to bacterial causes of lower respiratory infections. Keywords Influenza, Lower respiratory infections, RSV pneumonia Citation Contributors Institute for Health Metrics and Evaluation (IHME) Suggested citation Institute for Health Metrics and Evaluation (IHME). IHME GBD Lower Respiratory Infections Etiology Case Fatality Estimates. GHDx Entry last modified on: Nov 6, 2018