Canadian regulators on Thursday announced that the country will use the world’s first plant-derived Covid-19 vaccine.
The vaccine, named Covifenz, was jointly developed by Medicago, a biopharma company owned by Mitsubishi Chemical and Philip Morris, based in Quebec City, and GlaxoSmithKline.
The two-dose vaccine can be given to adults between 18 and 64 years old.
The Quebec-based privately held company has an agreement to supply up to 76 million doses to the Canadian government.
“We're at a stage where we're ramping up capacity to meet the supply agreement,” said Marc-Andre D’Aoust, Medicago's executive vice president of innovation, development and medical affairs.
Medicago said it was committed to fulfilling the order as soon as possible.
The decision was based on a study of 24,000 adults that found the vaccine was 71 per cent effective at preventing Covid-19.
Side effects were mild and included fever and fatigue.
The study was conducted before the Omicron variant emerged.
Medicago uses plants as living factories to grow virus-like particles, which copy the spike protein that coats the coronavirus. The particles are removed from the plants’ leaves and then purified.
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An immune-boosting chemical called an adjuvant, made by British partner GlaxoSmithKline, is then added to the shots.
Medicago plans to test the shot in children and as a booster dose for adults, Mr D’Aoust said.
The immunisation was granted fast-track designation by the US Food and Drug Administration in February last year.
The Canadian government on Thursday announced it was lifting the emergency powers it enacted more than a week ago to bring street protests under control, with Prime Minister Justin Trudeau saying the authority is no longer needed.
The protests were initially against Canada’s Covid-19 vaccination requirements for lorry drivers transporting goods across the US border, before they expanded into a campaign against the country's broader coronavirus restrictions.
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A man stands in front of a police officer as lorry drivers and supporters continue to protest against Covid-19 vaccine mandates, in Ottawa, Canada. Reuters -
A protester sings 'O Canada' as she is arrested after trying to push through a line of police officers. AP -
A protest lorry is towed. AFP -
Police hold a line as they work to bring a protest to an end. AP -
Police make an arrest. AP -
A protester kneels in front of police officers. Reuters -
A demonstrator wears a tinfoil hat in front of a row of police. Reuters -
A protester films on his phone during a police stand-off with demonstrators. AFP -
A protester is helped away after injuring his knee when a police line surged forward. AP -
Police clutch their batons as they move protesters back. AP -
A demonstrator confronts police. AFP
Agencies contributed to this report.
