have more than 30 million doses of vaccine against swine flu in Europe a flu jab has been linked to rare cases of a sleep disorder and should be the last line of protection for young people, they say the European regulators.The European Agency for medicines (EMA) said that pandemrix should take place only to children and adolescents at risk of H1N1 flu if other jabs are available.
They have more than six million doses of the vaccine in United Kingdom.
Ten suspected United Kingdom drug regulator reported cases of narcolepsy linked to the vaccine.
Pandemrix, conducted by GlaxoSmithKline (GSK), was the most widely used in United Kingdom during the 2009/10 flu pandemic.
However, the vaccine is no longer in use and the remaining stocks will be destroyed this autumn.
EMA research followed reports, mainly Finland and Sweden, but also Iceland and United Kingdom of children and adolescents suffer from narcolepsy, sleep disorder, which makes people fall asleep suddenly and unexpectedly.
He said studies had shown a six to 13 - fold risk of narcolepsy in children and adolescents vaccinated with Pandemrix compared with unvaccinated children.
In a statement, the EMA says "noted that vaccine is likely to they have collaborated with genetic or environmental factors, that could increase the risk of narcolepsy, and that other factors may have contributed to the results."
Unknown factorsIn general, Pandemrix has received more than 31 million people around the world.
GSK said in a statement that it had received reports of 335 cases of narcolepsy in persons vaccinated with Pandemrix in early July.
Continue reading the main story narcolepsy is a rare disease, with about 10 new cases per million people each main symptom of Yearthe is falling asleep suddenlyThe cause of narcolepsy unclearSome remains people may be predisposed to the condition of his initial genetic triggers suggested include infections such as measles or mumps, accidents, and hormonal changes during pubertyoften begins between the ages of 15 and company 30The added: "GSK is committed to the safety of the patient and it will continue to work closely with the AMS and other national regulatory organizations for the benefit of patients".A spokesman for regulator of drug United Kingdom, medicines and health products regulatory agency (MHRA) said: "the annual seasonal influenza vaccine does not have been associated with development of narcolepsy, and no new security concerns associated with these vaccines."
"These vaccines being recommended to protect against seasonal flu".
He added: "the MHRA has participated fully in the review of European security of vaccine Pandemrix."
"It is possible that other geographic factors in Sweden and Finland, at the time of the pandemic, have contributed to cases of narcolepsy seen after vaccination with Pandemrix."
"These factors remain unknown, and additional studies are underway to study this."
"The vaccine Pandemrix regulatory action recognizes the potential severity of H1N1 infection and ensures that vaccination remains an option with a license to protect children and adolescents need protection against H1N1, if there are no seasonal vaccines."
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