As the US prepares to start offering people a third dose of the Covid-19 vaccine, some Americans are jumping the queue.
The Biden administration has said it plans to start offering booster shots from September 20, and that everyone will be eligible for a third jab within eight months of their second.
But as the rapid spread of the Delta variant prompts a spike in hospitalisations, some people who are nervous about breakthrough infections are finding ways of having their booster shot now.
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