Published: 15 January 2026

About Medsafe

Adverse Drug Reaction Reporting Statistics – Archive

Click on the links below to view the historical annual reports for adverse drug reactions (ADRs) reported each year in New Zealand for all medicines and vaccines, and separately for influenza vaccine.

Note that this information was previously published in Prescriber Update, and so the links from before 2020 will take you to the relevant Prescriber Update article.

All ADRs	Influenza vaccine
ADRs reported in New Zealand – 2023	Influenza vaccine ADR reports – 2023
ADRs reported in New Zealand – 2022	Influenza vaccine ADR reports – 2022
ADRs reported in New Zealand – 2021	Influenza vaccine ADR reports – 2021
ADRs reported in New Zealand – 2020	Influenza vaccine ADR reports – 2020
ADRs reported in New Zealand – 2019	Influenza vaccine ADR reports – 2019
ADRs reported in New Zealand – 2018	Influenza vaccine ADR reports – 2018
ADRs reported in New Zealand – 2017	Influenza vaccine ADR reports – 2017
ADRs reported in New Zealand – 2016	Influenza vaccine ADR reports – 2016
ADRs reported in New Zealand – 2015	Influenza vaccine ADR reports – 2015
ADRs reported in New Zealand – 2014	Influenza vaccine ADR reports – 2014
ADRs reported in New Zealand – 2013	Influenza vaccine ADR reports – 2013
ADRs reported in New Zealand – 2012
ADRs reported in New Zealand – 2011
ADRs reported in New Zealand – 2010

See here for the most recent annual reports