Coronavirus: Is there any evidence for lab release theory?
I only read the Post story weeks after it had been published in April.
It refers to events and correspondence both months and years earlier.
More importantly, the BBC article describes low tech techniques, but used in advanced labs, to actually make existing different strains of viruses, already held within the lab, more virulent, merely by contact and natural mutations rather than by overt, and identifiable, genetic engineering.........
Pathogens can be made to mutate in a laboratory without the directed manipulation of their genes. In so-called "passage experiments", viruses or bacteria are passed from one lab animal to another in order to study how the agents adapt to their hosts. Past experiments have succeeded in making viruses more transmissible between animals using this low-tech method. But, again, there is no evidence that this played any role in the origin of the novel coronavirus.
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