HPV Vax New Zealand - 10 serious vaccine events

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http://www.odt.co.nz/news/dunedin/102144/10-serious-vaccine-events

(HPV Vax New Zealand) 10 serious vaccine events

 

Published on Otago Daily Times Online News

(http://www.odt.co.nz)

10 serious vaccine events

By Elspeth McLean

Created 17/04/2010 - 04:58

 

To the end of last year, 10 serious adverse events following vaccinations

with the human papilloma virus (HPV) vaccine Gardasil were reported to

the national Centre for Adverse Reactions Monitoring (Carm) in Dunedin.

 

These include a report of a sudden death occurring six months after the

third dose of the vaccination, a report from Carm director Dr Michael

Tatley says.

The cause of that death has not been reported and is still under coronial

investigation.

There was also one report of a life-threatening event involving

tongue-swelling related to severe hypersensitivity.

Three hospitalisations were recorded for a variety of symptoms including

convulsions some time after the vaccination, and fainting episodes.

 

Dr Tatley said reports were classified as serious because of the nature

of the event, irrespective of whether it was considered to be caused by

the vaccine.

Dr Tatley said there were a further 20 reports, not categorised as

serious according to World Health Organisation criteria, but which

described events severe enough to lead to the young women attending

emergency or after-hours care.

These included reports of collapse, allergic reactions, convulsion

episodes and one case of severe arm pain.

There was one report describing an event suggesting anaphylaxis (a severe

allergic reaction) but it did not meet the standard case definition for

this and the person recovered rapidly.

All those providing the vaccinations must have drugs on hand to treat

such episodes, even though they were rare.

Dr Tatley said overall the patterns of events observed were typical of

postimmunisation symptoms and raised no safety issues of concern.

 

By the end of December, 236,299 doses of HPV vaccine had been recorded as

being administered with a total of 236 reports of adverse events

following immunisation.

The most common symptom reported was injection site reactions (78),

followed by nausea, vomiting and diarrhoea (75), skin reactions (61) and

headache (44).

Some patients reported more than one reaction.

Dr Tatley said reactions typically occurred within minutes to days of

vaccination. Fainting episodes were described in 24 reports. Another

seven young women felt faint.

Fainting episodes had been well-described internationally in vaccination

campaigns, particularly in mass immunisation involving school-aged

children.

Although the fainting episodes appeared to be more frequent for this

vaccine than for others in the Carm database, they were not unexpected in

the context of a mass immunisation focusing on adolescents.

Carm was continuing to closely monitor reports and update the profile of

observations.

To date the benefit-risk profile of the programme was positive, he said.

 

• The vaccine, which is administered in three doses over six months, is

designed to protect against the HPV strains, which are estimated to cause

about 70% of cervical cancer. It also protects against two types of HPV

that cause 90% of genital warts.

The publicly funded vaccination programme which began in September 2008

is expected to cost $177 million over five years.

- elspeth.mclean

[2]

 

Source URL (retrieved on 19/04/2010 - 02:34):

 

http://www.odt.co.nz/news/dunedin/102144/10-serious-vaccine-events

 

Links:

[1]

http://www.odt.co.nz/

[2]

http://www.odt.co.nz/

 

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Homeopath

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