This is consistent with evidence of the virus in Italy in the same time period.
Due to the large number of Chinese working in Italy, there was a direct flight between Italy and Wuhan at the time.
The new Biden administration has no reason to cover this up further, due to the obvious danger that another pandemic results from a lab accident involving designer lethal virus.
To prove that it is "designer virus", additional, different kind of evidence is needed.
This is true - but the implication, then, is that if they don't follow through with it, it is most likely to be because they don't feel the evidence is strong enough for it, as opposed to that they do believe it and are inexplicably covering it up.
https://www.vox.com/2020/5/1/21243148/why-some-labs-work-on-...