A Covid-19 jab could be a yearly thing, and the government is already planning for that prospect, as our very first delivery of the Pfizer vaccine is less than a week away.
The exact number of doses in that shipment is unknown, but best estimates are around 40,000.
First in line are border workers, with rollout expected to start next Saturday.
It's a complicated vaccine. Two shots are needed for maximum protection, and it has to be stored at -70C, with a limited shelf life after that.
Covid-19 Response Minister Chris Hipkins explains how far the first batch will go.
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