Health and Science

Australia's Perth city locks down in stepped up fight against delta variant

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Key Points
  • The Australian city of Perth began a snap four-day Covid-19 lockdown on midnight Tuesday, joining Sydney and Darwin as authorities struggle to contain fresh outbreaks of the highly infectious Delta variant.
  • Residents of Perth, Western Australia's capital must stay home except for urgent reasons after officials detected a third case, linked to the outbreak in Sydney.
  • Lockdowns, swift contact tracing and strict social distancing rules have largely helped Australia keep its Covid-19 numbers relatively low, with just over 30,500 cases and 910 deaths, but its vaccine rollout has been sluggish.
Shoppers line the aisles at Costco Perth on March 19, 2020 in Perth, Australia.
Paul Kane | Getty Images News | Getty Images

The Australian city of Perth began a snap four-day Covid-19 lockdown on midnight Tuesday, joining Sydney and Darwin as authorities struggle to contain fresh outbreaks of the highly infectious delta virus variant.

Residents of Perth, Western Australia's capital, and the neighboring Peel region must stay home except for urgent reasons after officials detected a third case, linked to the outbreak in Sydney - the nation's largest state.

Concerns the delta strain could touch off significant outbreaks have forced lockdowns in three state capitals, while most other cities have imposed some form of restrictions with more than 20 million Australians, or about 80% of the population affected.

Sydney, home to a fifth of Australia's 25 million population, is under a two-week lockdown until July 9 while the lockdown in the northern city of Darwin was extended for another 72 hours until Friday. Tough restrictions, including mandatory masks and fewer gatherings, are in place elsewhere.

Authorities late on Monday said people under 60 years would now be able to get the AstraZeneca Covid-19 vaccine if approved by their doctor, who will be covered by a no-fault indemnity scheme, to ramp up a sluggish immunization drive.

Vaccinations have also been made mandatory for high-risk aged-care workers and employees in quarantine hotels.

"I'm absolutely comfortable about the rollout through the aged care sector," Australia's Chief Medical Officer Paul Kelly told the Australian Broadcasting Corp on Tuesday.

Lockdowns, swift contact tracing and strict social distancing rules have largely helped Australia keep its Covid-19 numbers relatively low, with just over 30,500 cases and 910 deaths, but its vaccine rollout has hit several roadblocks.

Officials two weeks ago limited the use of AstraZeneca vaccines only to people above 60 years due to blood clot concerns while recommended Pfizer shots to everyone under 60 in a major change to its immunization drive.