As of Saturday morning, only people who have recently travelled from overseas or have been in contact with a confirmed COVID-19 case and experienced symptoms within 14 days are advised to be tested.
Meanwhile, Victoria announced 67 confirmed new cases of COVID-19 emerged in the state on Saturday, bringing the total number to 296 in the state.
Backpacker parties in Bondi and the Ruby Princess cruise ship which docked in Circular Quay have been identified as key vectors in a record rise in Covid-19 infections in NSW, as Australia recorded its largest single-day increase since the outbreak began.
More than a thousand people have now tested positive to coronavirus in Australia.
There are still multiple people waiting to return to Wisconsin after being on the cruise ship and were quarantined in Texas and California.
It is unclear how numerous passengers on board have been contacted yet, but Brad Hazzard has urged the public to contact friends and family who were on the ship to inform them of the news as quickly as possible.
Any passengers who returned to New Zealand would be covered by the requirement for all travellers returning to New Zealand to go into self-isolation for 14 days.
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Newsom said the order will remain in effect "until further notice", although he does not believe it will last "many, many months". Several counties in the Bay Area, including San Francisco, had already imposed similar stay-at-home measures earlier in the week.
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It added, "Athletes deserve every chance to compete", but "when it's clear that's no longer possible, they deserve honesty". Other national committees are already doing that. "And extending deadlines that would reach nearly the date of the Games".
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Monday's trading halt marks the third time since the coronavirus outbreak that USA markets have paused activity. For the second time in just three days, the market plunged the most percentage-wise since October 19, 1987.
All returned passengers would now be treated as close contacts and followed up with daily health checks, the ministry said.
"We are working with public health authorities in Australia and New Zealand".
In a release, the Ministry of Health said it was contacting 56 New Zealanders who were on board the ship. The website Vesselfinder, which tracks ships at sea, indicated that at about 7 p.m. Sydney time (4 a.m. ET), the cruise ship was located off the coast between Sydney and Wollongong. "We have made clear to New South Wales that the standards that apply in all other states apply in NSW, they are now making sure they apply those rules absolutely". "Follow the rules, and if you're feeling ill, any of the symptoms that might be related to covid-19, then make sure you contact a medical practitioner, either your local GP or the local ED in the hospital, and then take advice on what you should be doing".
"They have doctors on board the ship, they have ICU facilities, they have care", Dr Chant said.
"But getting to almost 2,700 people is a bit of a journey, and we have people doing that at the present time".
The Ruby Princess was carrying 2,647 passengers and 1,148 crew. They said they hoped to resumer operations on April 11.