Comparing vaccines is tricky, especially at warp speed
Scientists are wrong to claim the AstraZeneca vaccine is a "second-best option" and its rollout should be paused. They claim its effectiveness is too low to generate herd immunity and that this vaccine could not meet public expectations of getting Australia to the point where “the virus dies out”. But it is unlikely that SARS-CoV-2 will ever die out – it is already everywhere. And it is silently infectious before symptoms even start.
The evidence does not allow us to say that the AstraZeneca vaccine is inferior. Yes, its effectiveness at protecting against any infections stands at 62 per cent, …
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