Almost half of the Australian population is under lockdown in an attempt to eliminate the SARS-CoV-2 virus. But many Australians are now weary of lockdowns and are desperately looking forward to the time when they can travel internationally again. They may have to be very patient.

A characteristic of the pandemic has been the extended timescales involved. A three-week lockdown in March 2020 has turned into an open-ended one with varying degrees of severity. And just when you thought it was safe to go back into the water, metaphorically speaking, a new variant of the virus comes along and dashes expectations once more...

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