Why do scientists keep the plague and other deadly pathogens in labs?

By CNN

Community Score: 50% | 2.8K views | 22h

0 community ratings: null thumbs up, null thumbs down

Deadly pathogens like the plague have killed millions. So why do scientists still keep them around? CNN’s Meg Tirrell explains why this research matters – and how it could protect us from potential pandemics or bioterrorism. Stream the full report on the CNN app.

More from CNN

  • Fmr. General Petraeus on the ‘big mistake’ Iran’s military is making — Score: 50%
  • Residents flee Beirut after Israeli strikes — Score: 50%
  • United Airlines flight emergency lands in LA — Score: 50%
  • Video shows building collapse after Israel strikes southern Lebanon — Score: 50%
  • Rubio addresses Americans in the Middle East — Score: 50%
  • Ret. military brass react to Trump's 'big wave' in Iran war — Score: 50%