Please note only acute cases of Hepatitis B and C are notifiable.
Exclusions
Notifiable disease data collected and reported by agencies other than ESR is not presented in this dataset i.e., acquired immunodeficiency syndrome (AIDS), Creutzfeldt-Jakob disease and other spongiform encephalopathies, lead absorption equal to or in excess of 0.48 µmol/L, and poisoning arising from chemical contamination of the environment.
Not every case of acute gastroenteritis is necessarily notifiable, only those where there is a suspected common source or from a person in a high risk category (for example, a food handler, an early childhood service worker) or single cases of chemical, bacterial, or toxic food poisoning such as botulism or toxic shellfish poisoning.
Changes to data collection/processing
Invasive group A streptococcal infection became notifiable on 1 October 2024.
From the dataset New Zealand Notifiable Diseases Statistics 2024, this data was extracted:
Sheet: DiseasebyAgeGroup
Range: C5:O58
Provided: 702 data points
Dataset originally released on:
February 2025
Purpose of collection
The main purpose of surveillance is to provide information for action. Information provided by regular surveillance reports enables effective monitoring of rates and distribution of disease, detection of outbreaks, monitoring of interventions, and predicting emerging hazards.