The New Zealand Institute for Public Health and Forensic Science (PHF Science) was formerly named The Institute of Environmental Science and Research (ESR).

Human salmonella isolates 2018

02 January 2018

Enteric reference testing

Please note: As of 1 July 2025, the New Zealand Institute for Public Health and Forensic Science (PHF Science) is the new name for the Institute of Environmental Science and Research (ESR). Research and reports published prior to this date may reference the organisation’s former name.

Click to download the isolates data below, or scroll to read the annual summary

Annual summary 2018

The number of Salmonella isolates confirmed this year (n=1125) showed a decrease in comparison with 2017 (n= 1217). Salmonella Bovismorbificans was the predominant serotype, representing 7.4% of total isolates (4.3% in 2017). Salmonella serotypes showing an increase this year in comparison with 2017 included: S. Agona (from 1.3% to 2.4%) and S. Saintpaul (from 2.2% to 3.5%)