source:  needtoknownews June 7, 2021 Guardian and ABC Australia 0 Wiki The state of Victoria now requires individuals to check in at all retail stores, supermarkets and cafes for the purpose of contact tracing using QR codes. Individuals who refuse to check in may be denied food. Contact tracing officers will be visiting supermarkets and other retail … Continue reading Victoria, Australia to Require QR Code Contact Tracing for All Businesses, Including Grocery Stor