A study by Greg Koblentz, a member of the Scientists Working Group on Chemical and Biological Threats, was cited in a Vox article about worldwide biosecurity threats.
According to research published last year by King’s College London biosecurity researchers Gregory Koblentz and Filippa Lentzos, there are now nearly 60 labs classified as BSL-4 — the highest biosecurity rating, for labs authorized to carry out work with the most dangerous pathogens — either in operation, under construction, or planned in 23 different countries. At least 20 of those labs have been built in the last decade, and more than 75 percent are located in urban centers where a lab escape could quickly spread. Read more
