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Low dose of AstraZeneca may be key to success
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January 16, 2021 12.04am
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Your writer mentions the mystery of the 90 per cent efficacy rate for those people who accidently received a low dose in the AstraZeneca trial, followed by a standard dose ( Gambling on the right vaccine , January 15). No matter why it happens, why not adopt this as standard immunisation practice rather than implement a procedure with only 65 per cent efficacy?
Diana Wyndham, North Sydney
Reluctance to adopt the AstraZeneca vaccine compared with Pfizer vaccine centres around the efficacy disparity - 65 per cent versus 90 per cent in the latter ( Comparing virus shots is tricky, especially at speed , January 15). Although not yet fully understood, a half dose of the AstraZeneca given first by mistake followed by a full dose produced 90 per cent efficacy in phase three of the trial. Why woul
PM snubbed as he has nothing useful to say
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PM snubbed as he has nothing useful to say
December 12, 2020 12.05am
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The Prime Minister is not invited to speak at a UN climate change summit because Australia lacks a strong enough climate policy (“UN defends excluding Morrison from climate summit, Canberra livid with Johnson over snub”, smh.com.au, December 11). Is he spurred to commit to stronger action? No, as it isn’t important to speak at “some international summit”. He claims to only seek approval from the Australian people, not any wider audience. The Australian people will be wise to remember this at the next federal election. Not just “Australia first” but “Australia alone”.