The barbecue stopper: the chikungunya mutation threatening Australia

An aggressive mosquito that’s spread a crippling virus through Asia is now being found at Australia’s border. The chikungunya virus is already being brought home by Australian tourists, and public health authorities are worried about a major outbreak if the mosquito, known as the ‘barbecue stopper’, becomes established. Ian Townsend investigates. Originally broadcast on 21 July 2013.