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I've heard of it because of the Squirrel Nut Zippers song La Grippe, which for a long time I (indirectly) supposed was about the Spanish Flu (https://americanahighways.org/2020/04/06/video-premiere-squi...):

  There's a flu bug getting passed around 
  Spreading like fire through this town
  There's a virus holing up inside us
  Each one that I know is coming down
  There's an Asian influenza 
  Infecting us all by the scores
  And it's turning into pneumonia 
  We must go out once more 
  There's a fool moon howling at the night 
  And each bark is much worse than each bite
  So we must go out and dance around 
  
  Yes we must go tonight 
  So the doctors came on the evening train
  With their flasks and their caskets and vials
  Mass psychosis was their diagnosis (yes)
  So we all cashed our checks and went wild 
  There's a fool moon howling at the night 
  And each bark is much worse than each bite
  So we must go out and dance around 
  Yes we must go tonight 
  La Grippe!, Salsa!