Ophidascaris robertsi

Aug. 29, 2023

Recently, researchers found a live eight-centimetre Ophidascaris robertsi roundworm in the brain of a 64-year-old Australian woman.

Why in the news?

  • It is the first-ever human case of Ophidascaris robertsi roundworm.

About Ophidascaris robertsi:

  • It is a parasitic roundworm typically found in carpet pythons.
  • It typically lives in a python’s oesophagus and stomach and sheds its eggs in the host’s faeces.
  • Humans infected with Ophidascaris robertsi larvae would be considered accidental hosts.
  • Roundworms are incredibly resilient and able to thrive in a wide range of environments.
  • In humans, they can cause stomach pain, vomiting, diarrhoea, appetite and weight loss, fever and tiredness.
  • This infection is not transmitted between people.

Key facts about carpet pythons

  • Morelia spilota, commonly referred to as the carpet python, is a large snake of the family Pythonidae.
  • It is found in Australia, New Guinea (Indonesia and Papua New Guinea), the Bismarck Archipelago, and the northern Solomon Islands.
  • Conservation status
    • IUCN: Least concern

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