I think we are all frustrated by the muted nature if PAA...

I think we are all frustrated by the muted nature if PAA communications, however, WEHI are controlling the trial and will do it at their own pace. This is pre-clinical work, is full of unknows, so it would be cavalier of PAA or WEHI to put timelines on much at all.
Sure WEHI could say "we are doing a test that takes 14 days" but the test will likely be repeated. Periods of anaylsis, etc...
For PAA to give meaningful timelines, they would need to update the market constantly, which is fraught not only with ASX restrictions re COVID related anns, but also SP gyrations.
Sit back, relax. We will be updated when there is definite material info available.