The Melbourne Airport Holiday Inn where a quarantine worker has tested positive to coronavirus now has more cases to report. Photo / Twitter
Two more cases of Covid-19 have been linked to the Holiday Inn quarantine hotel at Melbourne Airport.
The infected people are a worker and a previous resident who left the facility on February 7.
"There may be exposure sites linked to the previous resident," the Victorian Health Department said.
"Interviews are underway and any sites will be published online.
"There are currently no exposure sites linked to the hotel quarantine worker."
The number of cases linked to the Holiday Inn outbreak now stands at eight.
It was revealed earlier today that the hotel had been shut down until further notice for "terminal cleaning" and detailed contact tracing.
About 135 staff were stood down from the hotel on Tuesday night and told to isolate.
Victoria's chief health officer Brett Sutton said the "working hypothesis" was at least three cases were related to an exposure event involving a nebuliser.
"It vaporises medication, or liquid, into a very fine mist," Professor Sutton said.
"The virus was carried out into the corridor and exposed the authorised officer, the food and beverage service worker, and also the other resident."
He said it meant everyone who was on that floor might have been exposed to the virus and warned there could be more cases.
Premier Daniel Andrews said any worker or resident who spent 15 minutes or more at the Holiday Inn between January 27 and February 9 was considered a close contact and must isolate for 14 days.
"This is a wicked enemy, made more challenging by the fact that it is changing, it is a moving target," Mr Andrews said.
"These mutant strains are highly infectious, hyper-infectious, really."
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