From Yahoo! News – Allergy Vaccine Could Hit Market Soon -Researcher:
Professor Paul Van Cauwenberge, who coordinates a European allergy and asthma research project, said researchers at the Medical University of Vienna have been able to protect a trial group of 124 people against the effects of birch pollen allergy.They were injected with a genetically modified version of the pollen.
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“They are using a technique which allows mass production. If these results are confirmed on a larger scale … a vaccine could hit the market relatively soon, within about two years,” Van Cauwenberghe said.