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Narcolepsy traced to specific vaccine batches

The Local · 1 Jun 2012, 07:54

Published: 01 Jun 2012 07:54 GMT+02:00

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“We will have to think again,” said Maria Szirmai of the Swedish Medical Products Agency to newspaper Göteborgsposten (GP).

Over 220 Swedes, most of them children, developed narcolepsy as a side effect from the Swine flu vaccine Pandemrix, according to the reports filed with insurance company Läkemedelsförsäkringen.

All these had received the vaccine from some 12 of the 35 batches of vaccine delivered to Sweden.

From 23 of the 35 shipments there is no recorded case of anyone developing the condition, according to the study, which was carried out by the Swedish Narcolepsy Association (Narkolepsiföreningen).

The association traced the vaccine through the batch number on the side of the boxes.

Their findings will now be investigated by the agency, which has previously denied any connection between different vaccine shipments and the onset of narcolepsy.

In some parts of Sweden, namely in counties Skåne, Västra Götaland, Dalarna and Uppland, there are more children affected by narcolepsy than anywhere else in the country, which has so far flummoxed researchers.

Over half a million Swedes were vaccinated against swine flu with Pandemrix between autumn 2009 and spring 2010.

Story continues below…

TT/The Local/rm


The Local (news@thelocal.se)

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Your comments about this article

15:38 June 1, 2012 by johan rebel
Mass vaccination was a brilliant move that all other countries had the sense to avoid.
22:49 June 1, 2012 by Henrih Olafsson
I`m sure it was a mistake. Just like the `mistake` with epileptics` drugs found in Neurofen. No problem,I hope I`ll get the right batch next time and everything will be ok.
18:07 June 2, 2012 by Mindanoiha
In pharmaceutical production there are never two batches which are the same with respect to test results, be they physical, chemical or microbiological etc. This applies to all injections/vaccines.

One operates in regions, for example: the amount of an ingredient must be within +10% to - 10% of the stated amount.

A certain (small) percentage from each batch is tested and it is deduced from these results whether or not the whole batch should be approved.

Sometimes when there are serious adverse events reported we hear that the batch was maybe a hot one. In my opinion every batch is a hot batch!
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