#outbreak a sudden violent spontaneous occurrence of an undesirable condition
supertype: #happening__occurrence__natural_event__naturalevent an event that happens
subtype: #epidemic a widespread outbreak of an infectious disease; many people are infected at the same time
subtype: #pandemic an epidemic that is geographically widespread; occurring throughout a region or even throughout the world
subtype: #recrudescence a return of something after a period of abatement; "a recrudescence of racism"; "a recrudescence of the symptoms"
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