Flu cases in Australia have dropped by a dramatic 83 per cent in what doctors say is the result of science, guesswork and "a bit of luck". The Australian Medical Association's ACT president said the decrease was due to more people getting immunised, and a more effective vaccine being used this year.

ABC News -

ABC News—The Australian Medical Association says a very intelligent, well-researched guess is behind a vaccine that has reduced reported flu cases by a whopping 83 per cent this year.