07:06Newsday09/07/2020 06:06 GMT: US has a quarter of the world's Covid-19 casesBBC World Service Duration: 53 minutes Thu 9th Jul 2020, 07:06 on BBC World ServiceAvailable for over a yearListen nowThere are now over three million cases there. Show more GenresNewsFormatsMagazines & ReviewsBrandNewsday Source: BBC Online