25 Jun 2025

Otago scientist explores experimental phage therapy

From Nine To Noon, 9:35 am on 25 June 2025
Light microscope. (Photo by WLADIMIR BULGAR/SCIENCE PHOTO LI / WBU / Science Photo Library via AFP)

Photo: AFP

Phage therapy has been hailed as the next line of defence against the rise of antibiotic-resistant superbugs.

The therapy works by using viruses to kill and selectively target bacteria.

It is not approved for use in NZ, and is seen as a controversial treatment.

But as concerns about antibiotic resistance grow - The World Health Organisation has called antimicrobial resistance one of the top global public health threats - phage therapy is increasingly becoming of interest to scientists and the general public.

Dr Leah Smith is a research fellow in the University of Otago's department of microbiology and immunology and has been researching how phages can be evolved.