Earlier quoted context omitted.
[flagged]
The virus having been accidentally released from the lab doesn't require that the virus was modified in or by the lab between the time of leak and the time of collection.
This kind of research is dangerous and the risks far outweigh any putative benefits. There are literally hundreds of mammalian viruses out in nature that pose zero risk to humans but which could be modified by these procedures to generate novel pandemic diseases with which the human immune system has had no prior experience.