Why has RFK Jr pulled $500m of mRNA vaccine funding?

US Health Secretary Robert F Kennedy Jr has cancelled 22 projects - worth $500m (£376m) in funding – for tackling infections such as Covid and flu. During the pandemic, mRNA vaccines were heralded as a medical marvel that saved lives, but RFK Jr says he wants to shift the money to "safer, broader vaccine platforms that remain effective even as viruses mutate". Justin and Marianna look at the broader reasons behind the decision, what the science says, and the possible ramifications. Also today, we discuss stories away from the main American headlines: why former US president Bill Clinton, and his wife Hillary Clinton, have been summoned to give evidence about the convicted sex offender, Jeffrey Epstein. Plus, Trump’s interview on why he sacked the head of America’s main agency which is responsible for issuing job data, and what that tells us about the US economy. HOSTS: * Justin Webb, Radio 4 presenter * Marianna Spring, Social Media Investigations Correspondent GET IN TOUCH: * Join our online community: https://discord.gg/qSrxqNcmRB * Send us a message or voice note via WhatsApp to +44 330 123 9480 * Email Americast@bbc.co.uk * Or use #Americast This episode was made by Purvee Pattni with Alix Pickles and Grace Reeve. The technical producer was Dafydd Evans. The series producer is Purvee Pattni. The senior news editor is Sam Bonham.If you want to be notified every time we publish a new episode, please subscribe to us on BBC Sounds by hitting the subscribe button on the app. You can now listen to Americast on a smart speaker. If you want to listen, just say "Ask BBC Sounds to play Americast”. It works on most smart speakers.US Election Unspun: Sign up for Anthony’s BBC newsletter: https://www.bbc.co.uk/news/world-us-canada-68093155 Americast is part of the BBC News Podcasts family of podcasts. The team that makes Americast also makes lots of other podcasts, including Newscast and Ukrainecast. If you enjoy Americast (and if you're reading this then you hopefully do), then we think that you will enjoy some of our other pods too. See links below.Newscast: https://www.bbc.co.uk/sounds/series/p05299nl Ukrainecast: https://www.bbc.co.uk/sounds/brand/p0bqztzm Radical: BBC Sounds - Radical with Amol Rajan - Available Episodes

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Americast is the authoritative US news and politics podcast from the BBC. Each week we provide audiences with the best analysis from across the BBC, with on-the-ground observations and big picture insights about the stories which are defining America right now. The podcast is hosted by trusted BBC journalists including the BBC’s North America editor, Sarah Smith, BBC Radio 4 presenter, Justin Webb, the BBC’s disinformation and social media correspondent, Marianna Spring, and BBC North America correspondent, Anthony Zurcher. As well as political analysis, we also specialise in social media. Each week Marianna Spring brings listeners the latest updates from the BBC’s Undercover Voters, our award-winning investigation into the content that is recommended to US voters on social media. The team is also joined by special guests each week, like CNN anchor, Christiane Amanpour, Emmy Award-winning TV host, Rachel Maddow, and Succession actress, J Smith-Cameron. Podcasts are published every Monday, Wednesday and Friday. As well as being a podcast, we are also available every Friday on the World Service. Oh, and by the way, you can now listen to Americast on a smart speaker. If you want to listen, just say ‘”Ask BBC Sounds to play Americast”. It works on most smart speakers. Every Monday we answer your questions on Americanswers, with some help from special guests, including Miles Taylor, who was chief of staff at the Department for Homeland Security during the Trump presidency before becoming a whistleblower. Got a question or a comment? Get in touch with us on email at Americast@bbc.co.uk or WhatsApp on +44 330 123 9480.