The issue of mandatory COVID-19 vaccinations for frontline health and allied workers have been thrown in the spotlight by the latest virus outbreak in Sydney. The cluster of three was sparked on Wednesday night when an unvaccinated limousine driver from Sydney’s east and his wife were diagnosed and a woman in her 70s was subsequently infected at a Vaucluse cafe frequented by the couple. The man from Bondi transports international flight crews and police are investigating if he breached any health orders, which require those working around the hotel quarantine system to be tested for the virus daily and wear personal protective equipment. NSW Health Minister Brad Hazzard said there was an expectation but not an obligation for people working on the COVID-19 frontline to be vaccinated. “There has been a reluctance through the national cabinet to have mandatory testing,” he told ABC television on Thursday. “But it’s certainly something …