Strongyloides can affect anyone but is most prevalent in areas of economic disadvantage. LUCY HUGHES JONES/AAP September 5, 2017 Strongyloidiasis is a deadly worm infecting many Australians, yet hardly anybody has heard of it Harriet Whiley, Flinders University; Kirstin Ross, Flinders University, and Meruyert Beknazarova Up to 60% of people in some Indigenous Australian communities are infected with a parasitic worm that almost nobody has heard of, and without treatment, the infection can be fatal.