the word epidemic written on wooden cubes on a black background

abnormality affliction ailment background black blight bug cancer canker complaint concept condition contagion cubes defect disability disease disorder endemic epidemic epidemiology epizootic extensive global health ill illness indisposition infection infirmity isolated malady outbreak pandemic panic pervasive pestilence plague problem quarantine rampant ranging rife sickness trouble ubiquitous universal upset virus wide widespread wooden word written