Up to one in ten adults and 30% of children are infected with influenza each year. Flickr/williambrawley April 14, 2016 Thinking about getting the 2016 flu vaccine? Here’s what you need to know C Raina MacIntyre, UNSW and Aye Moa, UNSW This year you have the option of a vaccine that protects against four flu strains rather than three.
