WA authorities have begun a deep clean of the coronavirus-infected Al Messilah livestock ship, while crew aboard another vessel have returned negative tests.
The state's health minister has refused to say when WA will reopen its domestic border as eastern states struggle to suppress fresh COVID-19 outbreaks.
Western Australia's health minister is urging the Commonwealth to take action on maritime crew arrangements after a second COVID-19 outbreak off the coast of Port Hedland.
Another six crew have tested positive to COVID-19 on a vessel off the coast of Port Hedland, the second outbreak to strike Western Australia in as many weeks.
UPDATED: Professor Michael Quinlan AO, who was a well-known physician and one of the founders of the University of Notre Dame Australia, has passed away after a brief illness.
Australian Defence Force personnel are set to arrive in Port Hedland in Western Australia's north to help contain a COVID-19 outbreak linked to an offshore vessel.
A Western Australian nurse who tested positive to COVID-19 while volunteering in Victoria has returned home with her six colleagues after making a full recovery
Police stations and a Kalamunda hospital are set to receive more than $100 million worth of upgrades under the latest instalment of the state government's economic recovery plan.
The Perth Children's Hospital Foundation and Telethon Kids Institute have committed $10 million in fundraising over five years to support a new respiratory research centre.
Four builders including Multiplex and Lendlease have been shortlisted to complete major works under the $257 million expansion of Joondalup Health Campus, which will include new beds and operating theatres.
Arrivals from Victoria face mandatory 14-day hotel quarantine at their own expense in Western Australia while travellers from NSW will be tested immediately.
Anyone who flies into Western Australia from coronavirus-stricken Victoria will be immediately tested for COVID-19 when they land and travellers from NSW could be next if the outbreak there worsens.
Western Australia will delay easing its final COVID-19 restrictions by at least two weeks as it monitors the outbreak in Victoria, which recorded 228 COVID-19 cases overnight.
Western Australia will tighten its border with the east coast from midnight as coronavirus cases continue to grow in Victoria, which reported 165 new infections overnight.
International arrivals into Western Australia are being capped at 525 people each week to avoid straining the state's COVID-19 hotel quarantining system.
ADCO Constructions has secured further work with the state government, this time to complete the $61.4 million redevelopment of the Newman Health Services centre.
The federal government has refused an exemption to its live export ban that would have allowed 56,000 sheep to be transported to the Middle East, and they will now be sent to abattoirs in Western Australia.
Upgrades to the emergency department at Peel Health Campus will resume later this month, with the works awarded to Canning Vale-based contractor Devlyn Construction.
UPDATED: Six more members of the crew on a livestock ship docked in Western Australia have tested positive to the coronavirus, bringing the total to 12.
The state government will lift regional travel restrictions in time for the long weekend, with Premier Mark McGowan urging Western Australians to travel within the state and support local businesses.
Premier Mark McGowan has criticised a push by the NSW and federal governments for Western Australia to reopen interstate borders, citing the eastern states' inconsistent health advice and high rates of community transmission.
Western Australia has officially moved into the second phase of lifting some of its coronavirus restrictions, while recording no new infections and two recoveries overnight.