Why Did Wuhan Lab Turn Down SARS Researcher's Request for Biosafety Level-4 Access?

A prominent Wuhan Institute of Virology coronavirus research scientist was denied permission to use the biosafety level 4 (BSL4) lab for gain-of-function experiments, according to a U.S. State Department cable obtained by U.S. Right to Know, suggesting Chinese officials had concerns about the lab’s safety protocols.