If your an Ozzy getting travel insurance in Australia to ???????? wont be easy as the Australian government classes Thailand as a Level 3 risk and Travel insurance companies wont insure you so you may have to go thru a Thai company like AXA or Luma which is thru the roof, and has limited coverage you be mad to Travel without it.
A 1 yr insurance policy is 48000 b with Luma
With a limit of 100 k USD that wouldnt last long at a private hostipal covid coverage is the same 100k but if you use that up your <deleted>.... Anyway