Australia's Covid-19 hospital cases and people admitted to intensive care continued to trend lower on Tuesday as authorities urged people to get their vaccine boosters to prevent serious illness and deaths from the coronavirus.

Fuelled by the Omicron strain, Australia's total infections have now touched nearly 2.4 million, almost 10 percent of the country's population, with about 2.2 million in the last two months alone.

But Omicron's less lethal impact and...