Bernard Joakim Phiri

PhD, (Agri-Horticulture)
Study Completed: 2015
College of Sciences

Citation

Thesis Title
Estimating the public health risk associated with drinking water in New Zealand

Read article at Massey Research Online: MRO icon

Diarrhoeal diseases are among the most common causes of illness in humans globally. Drinking water is one of the pathways through which these diseases are transmitted. Mr Phiri’s research investigated ways of reducing the occurrence of waterborne illness. To achieve this, he applied a variety of analytical tools and skills which included optimization of laboratory procedures, management/manipulation of large amounts of data, mathematical modelling and geospatial analysis. He identified factors that can be used to reduce drinking water source contamination and demonstrated that novel molecular techniques (metagenomics) can be used to directly detect multiple types of diarrhoea-causing organisms in a single test. This has the potential to greatly improve drinking water quality testing because current standard methods do not necessarily detect diarrhoea-causing organisms but use proxies that indicate possible contamination. Adopting metagenomic testing could lead to the development of better water treatment methods thus ensuring enhanced drinking water safety.

Supervisors
Prof Nigel French
Dr Debbie Prattley
Distprof Paul Rainey
Professor Mark Stevenson
A/Pro Patrick Biggs

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