05:06Newsday22/12/2021 05:06 GMT : US: 500 million Covid rapid tests will be made available at no costBBC World Service Duration: 50 minutes Wed 22nd Dec 2021, 05:06 on BBC World ServiceAvailable for over a yearListen nowBiden announced expanded testing and military support for hospitals as well. Show more GenresNewsFormatsMagazines & ReviewsBrandNewsday Source: BBC Online