Michael has worked extensively on the surveillance, investigation and control of infectious diseases in New Zealand and internationally. His more recent work has focussed on the importance of health determinants, notably poverty, housing conditions and environmental health more generally. Michael’s research interests include rheumatic fever, emerging infectious diseases, zoonoses, influenza, food borne diseases such as campylobacteriosis, the health effects of household crowding, the effects of seasonality and climate change, disease surveillance, and health security generally.
In 2013 Michael was awarded the Health Research Council Liley Medal for his contribution to the health and medical sciences. In 2014 he was a recipient of the Prime Minister’s Science Prize as a member of He Kainga Oranga/Housing and Health Research Programme. In 2015 he was the NZ-UK Link Foundation Visiting Professor at the School of Advanced Study (SAS), University of London