Widespread disease (8)
'widespread disease' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for epidemic that I've seen before include "medical emergency" , "Widespread occurrence of a disease" , "Disease affecting many in a population at the same time" , "lot of disease" , "eruption" .)
'widespread disease' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for pandemic that I've seen before include "serious outbreak" , "major disaster" , "Existing everywhere" , "Occurring over a wide area" , "Occurring throughout the world, perhaps disease" .)