Planned or operational biosafety level 4 laboratories Posted on 2020/05/07 by Carl Robitaille Planned or operational biosafety level 4 laboratories (Pathogen or Protection level labs), which handle high risk and deadly pathogens, according to @WHO data @AFPgraphics pic.twitter.com/EaIsFLQFIl— AFP News Agency (@AFP) May 8, 2020