8. The Cart Before the Flying Donkey

When the Cubans announce an international science conference in Havana, American spies try to nip it in the bud, suspecting a sophisticated disinformation campaign. With politics and bad blood threatening to cloud out the science story, a group of scientists get together and a very different theory for Havana Syndrome is put forward.Credits Havana Helmet Club is written and presented by Jennifer Forde and Sam Bungey Editor: Guy Crossman Story editing: Mike Ollove Producer: Larry Ryan Sound designer: Merijn Royaards Additional mixing: Ger McDonnell Theme music: Tom Pintens, with additional music composed by Merijn Royaards Fact checking: Stanley Masters. Additional reporting: Isobel Sutton, Pascale Hardey Stewart and Stanley Masters Archive producers: Miriam Walsh and Helen Carr Production executive: Kirstin Drybrugh Editorial advisor: Jesse Baker Commissioner: Dylan Haskins Assistant commissioners: Sarah Green and Natasha Johansson Archive sourced from NBC and El Ministerio de Salud Pública de CubaHavana Helmet Club is a Yarn production for Radio 4 and BBC SoundsThis episode was edited and updated on 13th August 2025 to correct two factual errors in the original version, namely that we quote Dr Stephen Hampton not Dr Randal Swanson in relation to the first uPenn paper, and that 'Adam' did not attend Walter Reed hospital in relation to his symptoms.