The Institute of Environmental Science and Research (ESR) has changed its name to the New Zealand Institute for Public Health and Forensic Science (PHF Science) as of 1 July 2025. The website address is now www.phfscience.nz. Visitors are automatically redirected to the new address. Please check and update any links and bookmarks.

Monthly notifiable disease surveillance report May 2023

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.

Summary

Zip file containing pdf monthly report and excel tables. Key notifiable disease trends discussed: Diphtheria, Giardiasis, Malaria, Measles, Meningococcal disease, Rheumatic fever, Typhoid fever, Yersiniosis. Outbreaks discussed: Hepatitis A, Respiratory illness.

Download