5. Labs, Safety, and Risk

The lab leak theory goes mainstream. How safe are top-security laboratories?

After the World Health Organization’s attempts to find the origin of Covid effectively rule out a lab leak, there’s a backlash. A new US president helps bring the lab leak theory into the mainstream. What are the dangers involved in the work being done in virology laboratories? How effective are their safety measures? And do the benefits of their work outweigh the risks? John visit’s a top biosafety lab to find out.

Archive: CGTN; CBS; The White House; CNN; C-SPAN.

Presenter: John Sudworth

Series producer: Simon Maybin

Editor: Richard Vadon

Sound design and mix: James Beard

Commissioning editor: Dan Clarke

Science advice: Julian Siddle and Victoria Gill

Extra production: Eva Artesona and Kathy Long

Research support: Zisheng Xu and BBC Monitoring

Production coordinators: Siobhan Reed, Helena Warwick-Cross, Sophie Hill, and Debbie Richford

Theme and original music: Pete Cunningham, with trumpet by Joss Murray

Radio 4 Editor of Editorial Standards: Roger Mahony

Head of BBC News - Long Form Audio: Emma Rippon