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Washington, May 1:The novel coronavirus, that has killed over 230,000 people globally so far and has shattered economies, emerged from a virology lab in the Wuhan city of China, US President Donald Trump claimed Thursday with a high degree of confidence.

"Yes, I have. Yes, I have," Trump told reporters at the East Room of the White House when asked if he has seen anything at this point that gives him a high degree of confidence that the Wuhan Institute of Virology is where the virus originated.

The president, however, refuse to provide any details, except for saying that investigations are on and it would be out soon.

Asked what gave him a high degree of confidence that the virus originated from the Wuhan Institute of Virology, he said, "I can't tell you that. I'm not allowed to tell you that."

The president, however, did not hold his Chinese counterpart Xi Jinping responsible for this. "I don't want to say that, I don't want to say that, but certainly it could have been stopped. It came out of China and it could have been stopped and I wish they had stopped it and so does the whole world wish they had stopped it."

Reiterating that this is something that could have been contained at Wuhan ground zero, he said that China could have contained it. "They were either unable to, or they chose not to. And the world has suffered greatly."

One of two things happened, he reasoned. "They either didn't do it and you know they couldn't do it from a competent standpoint or they let it spread and I would say probably it got out of control."

"But there's another case that how come they stopped all of the planes and all of the traffic from going into China, but they didn't stop the planes and the traffic from coming into the United States and from coming into all over Europe," he said, citing the example of Italy, the hardest-hit European country.

"This country (the US) is very lucky and I'm very lucky that I put the ban on China, as you know, very early on. In January, we put the ban on China and that was a very early day. That wasn't a late day, that was an early day. Then, we later put the ban on in Europe," he said.

Before holding them accountable, Trump said he wants to find out what happened. "I think we'll be able to get a very good -- a very powerful definition of exactly what happened. We're working on it strongly now and I think it's going to be very powerful," he said.

"But they could have stopped it. They are a very brilliant nation, scientifically and otherwise. It got loose, let's say, and they could have capped it. They could have stopped it, but they didn't. And they stopped the planes from going to China, but they didn't stop them from going to the rest of the world. What was that all about?” he asked.

"We should have the answer to that in the not-too-distant future and that will determine a lot how I feel about China," Trump said.

When asked if President Xi misled him, Trump said, "Something happened. I don't say misleading or not. I'll let you know that. I mean, I'll be able to give you that answer at some point in the hopefully not-too-distant future."

The entire world has suffered as a result of this, he said.

"We have had tremendous death and tremendous sorrow, sadness, and nobody's ever seen anything like it. So, have most of the countries of the world. They've suffered tremendously. It's something that is going to have to be dealt with. We'll have to see," said the president.

Washington, Mar 28: A US-based lab has unveiled a portable test that can tell if someone has COVID-19 in as little as five minutes, it said in a statement Friday.

Abbot Laboratories said the US Food and Drug Administration (FDA) had given it emergency authorization to begin making the test available to healthcare providers as early as next week.

The test, which is the size of a small toaster and uses molecular technology, also shows negative results within 13 minutes, the company said in a press statement.

"The COVID-19 pandemic will be fought on multiple fronts, and a portable molecular test that offers results in minutes adds to the broad range of diagnostic solutions needed to combat this virus," said Abbot president and chief operating officer Robert Ford.

The test's small size means it can be deployed outside the "traditional four walls of a hospital in outbreak hotspots," Ford said, and Abbott is working with the FDA to send it to virus epicenters.

The test has not been cleared or approved by the FDA, and has only been authorized for emergency use by approved labs and healthcare providers, the company said.

Melbourne, Mar 18: Australian Prime Minister Scott Morrison on Wednesday warned its citizens not to travel abroad and banned "non-essential" gatherings of 100 people or more as the government declared the deadly coronavirus, that has infected over 450 people in the country, a "human biosecurity emergency".

Prime Minister Morrison on Wednesday said Australians should abandon all overseas travel because of the coronavirus epidemic. There have been 40 new cases since Tuesday.

Of the 454 confirmed cases in Australia, 43 have recovered and 5 have died from the COVID-19, according to the official figures.

Morrison declared a national "human biosecurity emergency" and ordered a halt to "non-essential" indoor gatherings of more than 100 people, on top of an existing ban on outdoor events of more than 500.

He said, "We haven't seen this sort of thing in Australia since the end of the First World War. This is a once-in-a-100-year-type event," Morrison said.

"Life is changing in Australia, as it is changing all around the world. Life is going to continue to change. The travel advice to every Australian is do not travel abroad. Do not go overseas."

However, schools across the country were still to remain open.

Morrison said Australia should prepare for "at least six months" of disruption as health authorities attempt to get on top of the coronavirus.

"For those of you thinking about going overseas for the school holidays, don’t. Don't go overseas," he said.

Morrison said there would be no short-term, quick fix to deal with the COVID-19 crisis in Australia, and warned that "tens of thousands of jobs" could be lost.

Responding to the panic buying, the prime minister urged the public to "Stop hoarding."

"I can't be more blunt about it. Stop it. It is not sensible, it is not helpful and it has been one of the most disappointing things I have seen in Australian behaviour in response to this crisis," he said.

On Wednesday, the New South Wales recorded a massive jump in new 59 cases as travellers returned from overseas. The cases jumped from 210 to 269 in the past 24 hours, according to the media reports here.

Queensland's total number of confirmed cases stood at 94.

State Premier Annastacia Palaszczuk said it is now "a different world" from just last week.

For Victoria, the Premier Daniel Andrew said the government could also ban gatherings of fewer than 100 people, noting he could not rule out further changes.

Chief Health Officer Brett Sutton said the spike in cases has been due to people who have travelled overseas.

Sutton said that the transmission in Victoria was not because of community transition like Italy.

Sutton has continued to urge people to wash their hands, socially distance and stay home if they are unwell.

"These are critical measures to be applied regardless of the 100 and 500 threshold,” he said.

In Western Australia, Health Minister Roger Cook said four new coronavirus cases have been confirmed overnight, taking the State's total to 35.

McGowan also condemned panic buyers in supermarkets as "jerks, drongos and bloody idiots."

He said there was "plenty of food to go round" and no need for people to buy in excessive quantities.

The outbreak, which first emerged in China's Wuhan city last year, has marched across the globe, infecting 198,006 people and killing 7,948, according to a tracker maintained by the Johns Hopkins University.