Here’s how to make sense of all the vaccine data – Sydney Morning Herald

Effectiveness is real-world performance. We only get this data once the vaccine starts being administered, as it is now around the world.
Now youre going to have people who would not have met the eligibility of the trials: older people, pregnant women, people with underlying health conditions, who are getting the vaccine. The chances are the effectiveness would be different from a very controlled trial, says Professor Hoffmann.
Probably less, by how much, we just dont know.
So what does 95 per cent…

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