Influenza--worldwide.
D000328:Adult; D000349:Africa; D000368:Aged; D000569:Americas; D001208:Asia; D001315:Australia; D004196:Disease Outbreaks / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology*; D007563:Jamaica; D008297:Male; D009510:New Caledonia; D009520:New Zealand