Did Covid first emerge at the Wuhan Institute of Virology?
The net around the Wuhan Institute of Virology continues to tighten. A letter from Lawrence Tabak, principal deputy director of the National Institutes of Health (NIH) in the United States, has shed more light on the grant which the institute made to the EcoHealth Alliance for work at the Wuhan Institute. One of the experiments, it reveals, involved testing to see whether the spike protein of a naturally-occurring coronavirus found in the bat population was capable of attaching itself to a human receptor, via experiments with mice engineered with a human gene. The experiment amounted to ‘gain of function’ research (something the NIH has denied) – modifying viruses so that they