South Korea's daily COVID-19 infections topped 3000 for the first time as an outbreak fuelled by this week's three-day holiday spreads, authorities say.
Western Australian Premier Mark McGowan is urging the NSW government to take an even tougher stance on eradicating the coronavirus for the sake of the country.
Public Health England says early evidence suggests the levels of coronavirus found in people infected with the Delta variant are similar whether or not they are vaccinated, with possible implications for their infectiousness.
AstraZeneca has come out in defence of its vaccine for all adults after Australia's national medical panel again changed its advice for people in Sydney.
NSW has reported 163 new locally acquired cases of COVID-19 and at least 45 of those people were circulating in the community for all or part of their infectious period, the state's health minister says.
A Queensland flight attendant with the highly contagious Delta variant visited Dreamworld, ate at a popular Gold Coast restaurant and also crewed six flights around the state.
