How an experimental therapy weaponised Nikola's failing immune system

By Kate Aubusson
Updated August 8 2017 - 3:12pm, first published 10:55am
Nikola Barac, 6, with his mother Fiona Stamenkovic and brother Milan outside Westmead Institute for Medical Research.  Photo: Jessica Hromas
Nikola Barac, 6, with his mother Fiona Stamenkovic and brother Milan outside Westmead Institute for Medical Research. Photo: Jessica Hromas

Nikola Barac's immune system has done him no favours. Leukaemia and rare genetic immunodeficiency disorder hyper IgM have left his small body defenceless against life-threatening infections.

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