Everything you need to know about the Moderna vaccine

Australia's coronavirus vaccine rollout is set for a boost, with news the Moderna jab will be available from as early as next month.

The Federal Government has bought 25 million doses of the vaccine, with 10 million for primary vaccinations and 15 million as boosters.

Here's everything you need to know about the Moderna vaccine, including potential trials on kids aged under 12.

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Australia has ordered 25 million doses of the Moderna vaccine, which are expected to be in the country by the middle of September.

How effective is it?

The vaccine – called mRNA-1273 – has a 94.1 per cent efficacy against COVID-19 after the second dose, according to US data.

Does it protect against Delta?

Yes. In a June statement Moderna said blood samples from fully-vaccinated individuals produced antibodies against multiple variants – including Delta – and researchers measured only a "modest reduction in neutralising titers".

What's all this about Moderna and trials with Aussie kids?

Planning ahead, Moderna has outlined a plan to run a vaccine trial on children aged between 6 months up to 12 years of age.

The trial, which is mentioned in Moderna's latest financial report, would be conducted with 6000 children, mostly in the US but also potential involvement from countries like Canada and Australia.

Nothing has been set in stone and the trial would require agreement from the Commonwealth and of course participants.

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Is it a two-jab vaccine?

Yes. People are recommended to have the second jab 28 days after the first jab, according to the vaccination schedule in the US. Guidelines for Australia are not known.

Does Moderna require boosters?

Moderna believes boosters will be likely, which is in line with other vaccines and the way the COVID-19 virus mutates and changes.

What age group is safe for the Moderna vaccine?

The US Centers for Disease Control and Prevention has recommended the vaccine for people 18 and older. The guidelines for Australia are yet to be decided and made public.

And Moderna is easier to store than Pfizer?

Correct. Moderna's vaccine does not need to be kept at super cold temperatures, like Pfizer. The Pfizer vaccine needs to be stored at about minus-75 degrees Celsius. Moderna's vaccine can be kept at about minus-20 degrees Celsius, about the same as a home freezer.

Who is behind Moderna?

Unlike the giants behind the other vaccines, Moderna is a small biotech company based in Cambridge, Massachusetts. Moderna's vaccine is based on mRNA technology, the same as the Pfizer vaccine.

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