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Health Highlights: Feb. 16, 2011

Health Highlights: Feb. 16, 2011

02/16/11

Here are some of the latest health and medical news developments, compiled by the editors of HealthDay:

Faster Production Method Produces Effective Flu Vaccine: Study

A flu vaccine created using a new, faster process is as effective as existing vaccines, according to a new study.

Instead of the current method of growing a flu virus in chicken eggs, this new approach uses cultures of animal cells and could shave weeks off the approximately six months now required to produce a vaccine, The New York Times reported.

A clinical trial of 7,250 healthy adults found that the new vaccine was more than 70 percent effective in preventing seasonal flu, a rate similar to egg-based vaccines. The findings were published Tuesday in The Lancet.

Faster production of a flu vaccine could lead to a more reliable supply of seasonal flu shots and quicker responses to flu pandemics, the Times reported. The new vaccine could become available in the United States within the next few years.

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Narcolepsy/Swine Flu Vaccine Link May Be Due to Genetics: WHO

Cases of narcolepsy that occurred among some people who received the H1N1 swine flu vaccine appear to be linked to a gene that increases the risk for the rare disorder that causes people to suddenly fall asleep, says the World Health Organization.

Twelve countries reported cases of narcolepsy among children and teens who received the Pandemrix swine flu vaccine. Sweden and Finland had the most documented cases, the Washington Post reported.

Of the 22 of 60 Finnish patients tested so far, all have a gene that increases the risk of narcolepsy.

The WHO said Finnish government scientists "consider it most likely that the Pandemrix vaccine increased the risk of narcolepsy in a joint effect in those genetically disposed with some other, still unknown, genetic and/or environmental factor," the Post reported.

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Increase in Severe Weather Linked to Climate Change

The worsening extremity of rainstorms and snowfalls around the world is linked to climate change, according to two new studies.

One group of researchers found that the strongest precipitation events were 7 percent wetter in the 1990s than they were in the 1950s, the Associated Press reported.

In the other study, researchers examined severe flooding in England and Wales in the fall of 2000 and concluded that climate change more than doubled the chances of that flood's occurrence.

The studies, which used computer modeling, appear in the journal Nature.

The findings show that climate change is not a victimless problem, said the University of Oxford's Myles Allen, who co-authored the British study, the AP reported.

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Cracked Syringes Prompt Recall of Antipsychotic Drug

About 70,000 pre-filled syringes containing the antipsychotic drug Invega Sustenna have been recalled because some may have cracks that could compromise the drug's sterility, says Janssen Inc., a unit of Johnson & Johnson.

In a letter to health-care providers and pharmacists, the company said the voluntary recall affects lots of its 234-milligram strength injections. The syringe's label completely covers the crack, making it undetectable, the Associated Press reported.

The letter, posted on Janssen's Web site, also said there have been no reports of adverse effects or infection, and no reports of leakage associated with cracked syringes. No other strengths of the drug are included in the recall.

Janssen said the recall affects most available inventory of the 234-mg. strength drug, but expects to resume shipping the product in early March. The drug should reach normal levels of availability in April, the AP reported.

Copyright © 2011 HealthDay. All rights reserved.

Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.

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