pandemic
noun /pænˈdemɪk/
  /pænˈdemɪk/
 - a disease that spreads over a whole country or the whole worldTopics Illnessc1Oxford Collocations DictionaryPandemic is used after these nouns:
- flu
 - influenza
 
Word Originmid 17th cent.: from Greek pandēmos (from pan ‘all’ + dēmos ‘people’) + -ic.