Wikipedia has a list of all the biosafety level 4 facilities. The answer is around 30 active sites that deal with threats as serious as the Wuhan facility. Of

Wikipedia has a list of all the biosafety level 4 facilities. The answer is around 30 active sites that deal with threats as serious as the Wuhan facility. Of those, less than half work on viruses, and even fewer do GOF work. So not that many. [0] https://en.wikipedia.org/wiki/Biosafety_level#Biosafety_level_4 https://en.wikipedia.org/wiki/Biosafety_level#Biosafety_leve... EDIT: and to address your implication, China has 2 such facilities, Wuhan and Harbin (a metro area of 10mn)