07:06Newsday27/07/2020 06:06 GMT: Chinese doctor believes officials ‘covered up’ scale of coronavirusBBC World Service Duration: 53 minutes Mon 27th Jul 2020, 07:06 on BBC World Service News InternetAvailable for over a yearListen nowLive news, business and sport from around the world. Show more GenresNewsFormatsMagazines & ReviewsBrandNewsday Source: BBC Online