Visitors to aged care homes may need to prove they  have  had a COVID-19 vaccination  before they are allowed to see their relatives and friends.South Australians are being urged to unite against fruit fly – just as they rallied to stop the spread of coronavirus – and eat their fruit at home.A national survey has revealed a “disappointing” level of awareness of Australia’s democracy, and South Australian students have performed particularly poorly.The first seasonal workers arrived in Adelaide  from Vanuatu yesterday, as farmers continue to struggle to find locals to take on fruit-picking jobs. And in sport, the Adelaide Strikers and Brisbane Heat are set to be boosted by national representatives for tonight’s clash at Adelaide Oval. For updates and breaking news throughout the day, take out a subscription atadvertiser.com.au