For reference here in Australia my wife has been asking to get mammograms for years now (in her 30s) and she keeps getting told she’s too young because she doesn’t have a familial history. That issue is a bit pervasive in countries other than the US.
And their venom HURTS. They’re not particularly deadly or anything but their venom will land you in the hospital or at least laid up in bed for a while. My stepmother grew up out in the bush in NSW the ‘70s and received one of the few recorded platypus envenomations and she described it as the most painful experience of her life. She said childbirth was a breeze compared to the platypus sting!