Could RFK Jr's move to pull mRNA vaccine funding be a huge miscalculation?

The US is withdrawing $500m for vaccines for diseases like flu and Covid. Health correspondent James Gallagher asks if it's the right call.

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US Health Secretary Robert F Kennedy Jr has cancelled 22 projects - worth $500m (£376m) in funding – for tackling infections such as Covid and flu.

So does Kennedy - probably the country's most famous vaccine sceptic – have a point, or is he making a monumental miscalculation?

Prof Adam Finn, vaccine researcher at the University of Bristol, says "it's a bit of both" but ditching mRNA technology is "stupid" and potentially a "catastrophic error".

Let's unpick why.