As scientists race to find a coronavirus vaccine, some researchers are pinning their hopes on vaccines that already exist: The BCG vaccine. It’s traditionally used against tuberculosis and has been shown to also protect against a range of other diseases. Researchers are now hoping that Covid-19 could be one of them. In this video we ask: To what extent could BCG tuberculosis vaccines be used against the new coronavirus? Subscribe: https://www.youtube.com/user/deutschewelleenglish?sub_confirmation=1 For more news go to: http://www.dw.com/en/ Follow DW on social media: ►Facebook: https://www.facebook.com/deutschewellenews/ ►Twitter: https://twitter.com/dwnews ►Instagram: https://www.instagram.com/dw_stories/ Für Videos in deutscher Sprache besuchen Sie: https://www.youtube.com/channel/deutschewelle #Coronavirus #Covid19 #Vaccine