the quality of excelling; possessing good qualities in high degree
an outstanding feature; something in which something or someone excels; "a center of manufacturing excellence"; "the use of herbs is one of the excellencies of French cuisine"
a widespread outbreak of an infectious disease; many people are infected at the same time
(especially of medicine) of disease or anything resembling a disease; attacking or affecting many individuals in a community or a population simultaneously; "an epidemic outbreak of influenza"