The shipment touched down at Sydney Airport on Monday night from Singapore as part of 51 million doses Australia has ordered.The vaccine will be available from February 21 at GPs, pharmacies and state hubs across the country.The doses will have to undergo batch testing by the Therapeutic Goods Administration before being given the final green light.Novavax is the fourth vaccine available to Australians with millions of AstraZeneca doses also used during the rollout.The vaccine could turn out to be a game changer for vaccine sceptics.Authorities are “hoping” the handful of adults yet to be jabbed will now come forward.This is the first protein Covid-19 vaccine to receive approval in Australia.Unlike the BioNTech-Pfizer and Moderna jabs that are created using mRNA technology, protein vaccines have been tried and tested for decades.Here’s what you need to know:HOW DOES IT WORKNovavax uses a traditional vaccine technology by using purified pieces of the actual SARS-CoV-2 coronavirus spike protein to spur the production of antibodies. Two 0.5ml doses are required 21 days apart.If a person gets the jab, their immune system recognises the protein as foreign and produces natural defences. The vaccine cannot replicate, nor can it cause Covid-19.Federal Health Minister Greg Hunt said he hopes the brand’s availability will appeal to those who were previously vaccine hesitant. “Obviously we have a first dose national vaccination rate of 95.2 per cent, and we know some people have waited for Novavax,” he said.“Hopefully this will encourage those people in that less than five per cent to come forward and be vaccinated.”NED-5221-Novavax-Next-weapon-in-Covid-19-fightHOW EFFECTIVE IS IT?Two trials involving more than 45,000 people in the US, Mexico and the UK resulted in efficacy of about 90 per cent with only mild or moderate side effects. Novavax said its vaccine was most effective against the original Covid strain, as well as the Alpha variant first detected in the UK.The company has not conducted studies on the Delta strain.“There is currently limited data on the efficacy of Nuvaxovid against other variants of concern, including Omicron,” the EMA said.A phase 3 paediatric trial in the US is also testing up to 3000 adolescents aged 12-17 years.Novavax had said it could start making variant-specific doses from January.CAN IT BE TAKEN AS A BOOSTER SHOT?The jab will be available to people aged 18 and older for primary vaccination against Covid-19. Further studies into the use of Novavax in children and as boosters are ongoing.CAN IT CAUSE ADVERSE REACTIONS?Novavax has said severe reactions are “infrequent and there were no safety concerns related to vaccination”. The most common adverse reactions observed during clinical studies were headache, nausea or vomiting, myalgia, arthralgia, injection site tenderness/pain, fatigue and malaise. NED-3952-Covid-19-VariantsHOW IS IT STORED?Novavax’ Covid-19 vaccine is packaged as a ready-to-use liquid formulation in a vial containing 10 doses. The vaccine is stored at 2°- 8° Celsius, meaning the shots can be stored at normal refrigerator temperatures, averting the need for the freezers required for some other Covid-19 vaccines.IS IT SAFE?The TGA says the review process of Nuvaxovid was “rigorous”. It added: “The decision to provisionally approve the vaccine was also informed by expert advice from the Advisory Committee on Vaccines (ACV), an independent committee with expertise in scientific, medical and clinical fields including consumer representation.”NED-5204-Where-to-get-a-vaccine-booster-jabsWHAT NEXT?The government placed an advanced order of 51 million doses of the jab in January 2021, with the option of buying an additional 10 million doses. The Therapeutic Goods Administration (TGA) will go through a detailed batch testing process as this will be the first such shipment Australia gets. “Presuming that’s deemed to be safe and in line with all of the data and science that we have received to date, then that fourth vaccine will be made available from the week of February 21,” said Mr Hunt.
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