I think this part partially answers your question on how it got there > Australian parasitology expert Mehrab Hossain said she suspected the woman became an "

I think this part partially answers your question on how it got there > Australian parasitology expert Mehrab Hossain said she suspected the woman became an "accidental host" after using the foraged plants - contaminated by python faeces and parasite eggs - for cooking. They also wrote about some damage in the brain, but I don’t know if the damage was relevant. > The "string-like structure" was pulled from the patient's damaged frontal lobe during surgery in Canberra last year. I don’t know if it was a brain eating parasite but the mentioned which type of parasite it was so you could probably look into it.