Factbox: 500,000 COVID-19 deaths the latest of several U.S. public health crises over the years

FILE PHOTO: El Paso County Medical Examiner's Office staff roll bodies that are in bags labeled "Covid" from refrigerated trailers into the morgue office amid the coronavirus disease (COVID-19) outbreak, in El Paso, Texas, U.S. November 23, 2020. REUTERS/Ivan Pierre Aguirre/File Photo

(Reuters) - No health crisis has devastated the United States like the COVID-19 pandemic since the 1918 Spanish influenza, already killing 500,000 people, triggering the biggest decline in U.S. life expectancy since World War Two, and ranking among the biggest killers in U.S. history:

1918 INFLUENZA