Those 2 studies were preprinted in February 2022 with much more forceful wording - so our June 2022 paperback discusses them in the epilogue. I've also recently addressed their peer-reviewed analysis in more detail here:

https://ayjchan.medium.com/evidence-for-a-natural-origin-of-covid-19-no-longer-dispositive-after-scientific-peer-review-af95b52499e1