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Professor of global security at UNSW, Raina MacIntyre, has used mathematical modelling to determine the effectiveness of a range of Covid-19 vaccine strategies.

Published in the medical journal Vaccine, it says because vaccine supply is limited, the government has adopted a targeted approach, vaccinating the most high-risk and vulnerable first, to make the most of the limited supply.

A limited supply requires a targeted strategy where particular populations are prioritised.

We show that for a population of 7.5 million people [ie, NSW], if faced with an epidemic and an initial restriction in vaccine supply, sustained epidemic control cannot be achieved by this smaller, targeted vaccination strategy.

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Read the original article at The Guardian

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