Drug industry heavyweights and not-so-well-known biotech firms are pushing to create a COVID-19 vaccine, and thousands of people have signed up to take part in clinical drug trials, despite the hazards. But what are the technical, ethical and political obstacles to coming up with an effective and safe vaccine quickly? Martha Teichner reports.

Subscribe to the “CBS Sunday Morning” Channel HERE: http://bit.ly/20gXwJT
Get more of “CBS Sunday Morning” HERE: http://cbsn.ws/1PlMmAz
Follow “CBS Sunday Morning” on Instagram HERE: http://bit.ly/23XunIh
Like “CBS Sunday Morning” on Facebook HERE: https://www.facebook.com/CBSSundayMorning/
Follow “CBS Sunday Morning” on Twitter HERE: http://bit.ly/1RquoQb

Get the latest news and best in original reporting from CBS News delivered to your inbox. Subscribe to newsletters HERE: http://cbsn.ws/1RqHw7T

Get your news on the go! Download CBS News mobile apps HERE: http://cbsn.ws/1Xb1WC8

Get new episodes of shows you love across devices the next day, stream local news live, and watch full seasons of CBS fan favorites anytime, anywhere with CBS All Access. Try it free! http://bit.ly/1OQA29B


“CBS Sunday Morning” features stories on the arts, music, nature, entertainment, sports, history, science, Americana and highlights unique human accomplishments and achievements. Check local listings for CBS Sunday Morning broadcast times.

source