Horrified onlookers watched helplessly as a surfer – missing an arm – flailed in the water shouting “help me, help me’’ after being attacked by a shark on the NSW Mid North Coast  on Sunday. Hundreds of searchers failed to find any trace of missing three-year-old AJ Elfalak near his Hunter Valley home yesterday as police seized a white ute from a neighbour’s property for examination.If you want to feel three decades younger, get vaccinated. That is the message from an infectious disease ­expert, who says vaccination can turn an 80-year-old into a 50-year-old.And in sport, Michael Maguire is fighting a lost cause to save his job at the Wests Tigers, with the troubled club already on the lookout for a new coach.For updates and breaking news throughout the day, take out a subscription atdailytelegraph.com.au