Emergency Department Visits for Influenza and Pneumonia: United States, 2016-2018.

In the United States, there were an estimated 810,000 hospitalizations attributable to influenza during 2017-2018 (1). Pneumonia is the most common respiratory complication of influenza (2). In 2019, the ninth leading cause of death was influenza and pneumonia and the death rate was 15.2 per 100,000 persons, ranging from 4.1 for infants aged under 1 year to 294.7 for adults aged 85 and over (3,4). This report describes emergency department (ED) visit rates for patients with influenza and pneumonia (either influenza or pneumonia, or both) by selected patient characteristics.