04:32Science In ActionCovid-19 defeats US MarinesBBC World Service Duration: 33 minutes Fri 13th Nov 2020, 04:32 on BBC World Service East and Southern AfricaAvailable for over a yearListen nowThe virus spread amongst recruits despite a range of thorough precautions Show more GenresFactualScience & NatureFormatsMagazines & ReviewsBrandScience In Action Source: BBC Online