As we do every year, we've updated that vaccine, we've included different types of flu that should give us the best protection to what we're expecting to see So, perhaps this year is more important than ever to get your flu vaccine because it has been updated accordingly."Infectious diseases paediatrician Professor Robert Booy from the University of Sydney has told Channel 9 the Super-K form of the flu is a public health threat because it spreads very easily."The influenza K subclade is genetically altered so that it spreads much more easily