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New Zealand reports first death linked to Pfizer COVID-19 vaccine

Published by Jessica Weisman-Pitts

Posted on August 30, 2021

3 min read

· Last updated: February 14, 2026

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This image highlights the serious implications of the Pfizer COVID-19 vaccine following New Zealand's first reported death linked to myocarditis, a rare side effect. The article discusses vaccine safety amid the Delta variant outbreak.
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By Praveen Menon WELLINGTON (Reuters) -New Zealand reported its first recorded death linked to U.S. drugmaker Pfizer’s COVID-19 vaccine, the health ministry said on Monday, after a woman suffered a rare side-effect leading to inflammation of the heart muscle. The report comes as the country battles an outbreak of the Delta variant after nearly six […]

New Zealand's First Death Linked to Pfizer COVID-19 Vaccine Reported

By Praveen Menon

WELLINGTON (Reuters) -New Zealand reported its first recorded death linked to U.S. drugmaker Pfizer’s COVID-19 vaccine, the health ministry said on Monday, after a woman suffered a rare side-effect leading to inflammation of the heart muscle.

The report comes as the country battles an outbreak of the Delta variant after nearly six months of being virus free. It followed a review by an independent panel monitoring the safety of the vaccines.

“This is the first case in New Zealand where a death in the days following vaccination has been linked to the Pfizer COVID-19 vaccine,” the ministry said in a statement, without giving the woman’s age.

The vaccine monitoring panel attributed the death to myocarditis, a rare, but known, side-effect of the Pfizer vaccine, the ministry added.

Myocarditis is an inflammation of the heart muscle that can limit the organ’s ability to pump blood and can cause changes in heartbeat rhythms.

Pfizer said it  recognised there could be rare reports of myocarditis after vaccinations, but such side-effects were extremely rare.

“Pfizer takes adverse events that are potentially associated with our vaccine very seriously,” it told Reuters.

“We closely monitor all such events and collect relevant information to share with worldwide regulatory authorities.”  

The health ministry said other medical issues at the same time could have influenced the outcome after vaccination.

But the vaccine’s benefit outstripped risks from side effects, it added.

“The benefits of vaccination with the Pfizer COVID-19 vaccine continue to greatly outweigh the risk of both COVID-19 infection and vaccine side-effects, including myocarditis.”

Regulators in the United States, the European Union and the World Health Organization have said that mRNA vaccines by Pfizer and partner BioNTech and by Moderna are associated with rare cases of inflammation of the heart muscle or of the lining around the heart but that the benefits outweighed any risks.

The cases, affecting mainly younger men, tend to be mild and are treatable but can lead to serious illness, WHO has said.

The EU’s drug regulator said on July 9 that five people had died due to the side-effect after receiving either of the two mRNA vaccines in the European Economic Area, all of whom were elderly or had other diseases. More than 200 million mRNA doses have been administered in the region.

New Zealand has provisionally approved use of the Pfizer/BioNTech, Janssen and AstraZeneca vaccines, but only the Pfizer-produced vaccine has been approved for rollout to the public.

Monday’s 53 new cases took New Zealand’s tally of infections in the current outbreak to 562, amid a nationwide lockdown enforced this month to limit spread of the Delta variant.

(Reporting by Praveen MenonAdditional reporting by Ludwig Burger in Frankfurt; Editing by Christian Schmollinger, Clarence Fernandez and Nick Macfie)

Frequently Asked Questions

What was the cause of the reported death in New Zealand?
The health ministry attributed the death to myocarditis, a rare side-effect of the Pfizer COVID-19 vaccine.
How does myocarditis affect the heart?
Myocarditis is an inflammation of the heart muscle that can limit the organ's ability to pump blood and can cause changes in heartbeat rhythms.
What do regulators say about the risks of the Pfizer vaccine?
Regulators in the United States, the European Union, and the World Health Organization have stated that while mRNA vaccines are associated with rare cases of myocarditis, the benefits of vaccination greatly outweigh the risks.
What is the current COVID-19 situation in New Zealand?
New Zealand reported 53 new COVID-19 cases, bringing the total to 562 in the current outbreak, which is being managed under a nationwide lockdown.
What is Pfizer's stance on adverse events related to their vaccine?
Pfizer takes adverse events potentially associated with their vaccine very seriously and closely monitors all such events to share relevant information with regulatory authorities.

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