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Canadian researchers are developing a DNA vaccine for SARS-CoV-2, the coronavirus that causes COVID-19 and has currently infected nearly 5,00,000 people worldwide and crippled the global economy.

Entos Pharmaceuticals, a health-care biotechnology company headed by a University of Alberta researchers, develop new therapeutic compounds using the company's proprietary drug-delivery platform and has begun manufacturing vaccine candidates against the novel coronavirus.

"Given the urgency of the situation, we can have a lead candidate vaccine within two months. Once we have that it's a race to get it into clinical trials," said John Lewis, CEO of Entos and a Professor at the University of Alberta in Canada.

Lewis said in comparison to a traditional vaccine, DNA-based vaccines hold several advantages.

Nucleic acids are introduced directly into the patient's own cells, causing them to make pieces of the virus--tricking the immune system into mounting a response without the full virus actually being present, the researcher said.

According to the company, the approach is recognised as being easier to move into large-scale manufacturing, offers improved vaccine stability and works without needing an infectious agent.

In the current absence of a vaccine for COVID-19, several companies around the world are mounting efforts to begin similar work.

The first clinical trial using a DNA-based vaccine developed by Moderna Inc.in the US on March 13.

Their approach allows for antibodies to be made in the human trial volunteers against a specific protein on the surface of the coronavirus that lets the virus enter human cells.

The hope is that the antibodies will stop the interaction.

Though this approach is designed to be effective against COVID-19 specifically, Lewis said Entos is taking a different tack.

The company plans to use plasmid DNA to amplify the production of key coronavirus surface and structural proteins with each injection, with an eye to the bigger picture.

"Many of the structural proteins in the virus are pretty well conserved across all the coronaviruses, including SARS and MERS," said Lewis.

"We're hoping that if we express more of the structural proteins that are common to most coronaviruses, we can inhibit the current COVID-19, and also potentially protect against all coronaviruses both past and future," Lewis added.

To move the project forward quickly, the company is seeking financial support from both provincial and federal levels of government.

"We have the opportunity to save a lot of lives, and I think it's really upon us and governments to find solutions for that," Lewis 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.

The Hague, Jun 22: Finding inner peace is crucial for the armed forces and yoga is a beautiful way to find the balance, Dutch Defence Minister Ank Bijleveld has said, thanking India for the "wonderful gift" to the world.

Yoga has been gaining global popularity in recent years for the many benefits it has on one's physiology, psychology and spirituality.

Bijleveld participated in the online International Yoga Day celebrations organised by the Indian Embassy here on Sunday.

"The minister thanked India for the wonderful gift of yoga to the world," a statement issued by the embassy said on Monday.

She said finding inner peace is crucial for a man and woman in uniform and yoga is a beautiful way to find the balance, it noted.

Bijleveld said yoga has formed a part of the training for the Dutch armed forces for the last 15 years and there are 130 yoga instructors.

The representatives of the Dutch Army joined by the Dutch Police personnel demonstrated their yoga skills as part of the online celebrations, the statement said.

The sixth International Yoga Day celebrations was streamed to 145,000 followers of the embassy's Facebook, Twitter, Instagram and YouTube channels as well as on its website. It was also streamed on the website of the non-profit foundation Stichting International Yoga Day.

Ambassador of India to The Netherlands Venu Rajamony inaugurated the celebrations. This was followed by Prime Minister Narendra Modi's video message and 3D animated videos of yoga with him.

The event was participated by a host of prominent Dutch and Indian personalities, including Ambassadors of various countries based in The Hague.

Dutch actress Afke Reijenga, extreme sportsman Wim Hof -- popularly known as 'The Iceman' and singers Charlie Dee and Anouk Maas were amongst the Dutch celebrities who participated in the event, the statement said.

Messages and artistic contributions by spiritual leader Sri Sri Ravi Shankar, internationally acclaimed flautist Pandit Hariprasad Chaurasia, violin maestro L Subramaniam, playback singers Kavita Krishnamurthy and Vijay Prakash, chess grandmaster Viswanathan Anand and film stars Raadhika, Sarathkumar and Bhumika Chawla featured in the programme.

Cricketer Suresh Raina, tennis stars Ramesh Krishnan and Rohan Bopanna, yoga guru and artist Bharat Thakur, Olympic ice skater Vishwaraj Jadeja and Michelin star chef Vikas Khanna also featured in the event.

The programme included a Kathak recital on 'Ayush' choreographed by Dutch choreographer Leo Spreksel and performed by eminent Kathak dancers Hari and Chetna with Sirisha.

It also showcased Hollywood and Bollywood celebrities who have made yoga a part of their lives.