Clearer answers about hydroxychloroquine and COVID-19 emerging

New research is helping move toward solid evidence about whether the controversial anti-malarial drug hydroxychloroquine can be used to prevent or treat COVID-19. Welcome to The National, the flagship nightly newscast of CBC News. »»» Subscribe to The National to watch more videos here: https://www.youtube.com/user/CBCTheNa... Voice your opinion and connect with us online: Facebook |   / thenational   Twitter |   / cbcthenational   Instagram |   / cbcthenational   »»» »»» »»» »»» »»» The National is CBC Television's flagship news program, featuring the day's top stories with in-depth and original journalism.