As the Covid-19 epidemic grows, more than 400 Queensland health workers are currently isolated. This puts pressure on hospitals.On Tuesday, 16 cases of the Delta infection were reported in Queensland. All cases were linked, increasing the total number to 47. The cluster involved exposure sites at multiple schools and at least three of Brisbane's major hospitals.Dr Jeannette Young, the state's chief health officer, stated that a large number critical health workers were currently in quarantine. This includes all of the Queensland Childrens hospital's cardiac surgeons.She said that we discussed how we could let one of them operate on an urgent case. Because the health workers they require are in quarantine, no Queenslander will be denied care.We had to postpone some of our outpatient work and surgery.Many health professionals have had to be isolated as parents or close friends of students at Brisbane Grammar School, Brisbane Girls Grammar, and Ironside state schools.High-risk exposure sites have been identified at the University of Queensland, Princess Alexandra hospital and Royal Brisbane and Womens Hospital.Young stated that she was still concerned by the missing cases linking two infections from overseas to an Indooroopilly high school student and her relatives. We don't know why this outbreak occurred.Nineteen of the Covid cases in Queensland are now being handled by school students, Queensland's health minister, Yvette DAth said.Currently, 7,995 Queenslanders have been placed in quarantine due to the outbreak. At least 4,089 Queenslanders are currently in isolation at home.Millions of Queenslanders remain locked down in 11 local government areas as the state recorded 34 718 Covid tests within the past 24 hours.Steven Miles, deputy premier, stated that there are concerns about exposure in Brisbane as well as on the Sunshine Coast or Gold Coast.18.47% of eligible Queensland adults have been fully vaccinated and 36.97% have received their first dose.On Tuesday, a health worker walks past a Covid-19 clinic in Brisbane. Photograph: Dan Peled/EPAYoung stated that anyone younger than 60 years old who wants to get the AstraZeneca vaccination should talk to their doctor. She denied any suggestion that Young's earlier warnings regarding young people getting the vaccine might have contributed to vaccine hesitancy.Young advised that Atagi advises that if there is a large outbreak (which I believe we are on the brink of), then it is time to talk with your GP.Queensland will receive 150,000 additional AstraZeneca doses from the federal government, which will be administered by pharmacists.