Four people who tested positive to COVID-19 in Western Australia have died, as the state recorded 5,838 new cases in the 24 hours to 8pm on Friday.
WA Health has confirmed the deaths of three men, aged in their 40s, 60s and 90s, and a woman in her 60's.
There are 147 people in hospital, including four in ICU.
A total of 3,233 new cases came from self-reported rapid antigen tests, while 2,605 were detected by a PCR test.
There are now 35,008 active cases in the state.
Quarter of COVID-19 patients not vaccinated
WA Health has released a breakdown of COVID-19 hospitalisations, which shows people aged in their 30s made up the largest group of admissions.
Patients aged between 30 and 39 accounted for 17 per cent of admissions, followed by people aged between 40 and 49, at 13.2 per cent.
Almost 11 per cent of patients were aged under 10.
The figures, which were last updated on March 13, reveal a quarter of COVID-19 patients were not vaccinated, 7 per cent received one dose, 39 per cent had two shots and 28 per cent had received more than two shots.
Overall, 95 per cent of West Australians over the age of 12 are double vaccinated and 71.8 per cent aged 16 and over have received their third dose.
Random home-testing program questioned
Researchers are knocking on the doors of about 250 households across Perth this weekend in a pilot study to find undetected COVID-19 cases.
Random households will be asked to take a saliva-based test, called a LAMP test, which researchers say is more accurate at detecting COVID than rapid antigen tests.
WA Liberal leader David Honey questioned the validity of the program.
"We have had a number of reports that people are extremely upset about the government coming around," Dr Honey said.
"They feel like they are being checked up on unnecessarily.
"Let's face the reality, we know coronavirus is throughout the community, what matters for government are the number of people in hospital and the number of people in ICU.
"Unfortunately, there are people in hospital but those numbers are well down from what were predicted."
Dr Honey also believed there was no risk in lifting the level 2 public health measures that were introduced on March 3.
"The restrictions were there to make sure we did not overwhelm the hospital system and we would get through the Omicron spike," he said.
"We are clearly nowhere near the levels that the government predicted."
Close eye being kept on Omicron sub-variant
WA Health said it was closely monitoring how the new Omicron sub-variant, BA.2, was tracking but had no plans to change the state's public health measures.
A spokesperson said the first BA.2 strain found in WA was collected on January 5.
"It has not been shown to cause more severe disease than BA.1 and has not been associated with a higher case fatality rate," the spokesperson said.
"Early studies show BA.2 may be more transmissible.
"WA Health will continue to observe BA.2 trends in case numbers and hospitalisations closely.
"There are currently no plans to change WA's public health measures."
