Professor Allan Cheng said Australians may be required to receive the jab twice, in four separate injections, if a different vaccine was determined to be more effective.
A leading adviser to the federal government says it is likely Australia will push ahead with vaccinating elderly people with the Pfizer vaccine despite reports recipients had died in Norway.
Researchers from China studied records of ocean temperatures and salinities
They looked at measurements taken to a depth of 1.24 miles below sea level
Oceans act as a buffer against global warming, taking in 90 per cent of the heat
The oceans upper layers absorbed an extra 20 Zettajoules of energy this year
However, this will see more natural catastrophes like the wildfires seen in 2020
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