Breakthrough in Bird Flu Vaccine Development

Researchers at the Erasmus Medical Center in Rotterdam have tested a new vaccine against the lethal H5N1 bird flu virus on ferrets, with promising results. The vaccine, developed by British pharmaceutical firm GSK, offers protection against not only the H5N1 virus but several other bird flu viruses that occur worldwide. This breakthrough comes as the World Health Organization warns of the increasing risk of a flu pandemic due to the H5N1 virus's ability to constantly change form and adapt to humans.

Key Takeaways:

  • The vaccine was tested on 20 ferrets, which have bronchial tubes similar to those of humans, at the Erasmus Medical Center in Rotterdam.
  • The vaccine was developed by British pharmaceutical firm GSK and offers protection against not only the H5N1 virus but several other bird flu viruses.
  • The H5N1 virus has killed millions of poultry in the last three years, mainly in Asian countries, and has infected roughly 350 people, mainly in Vietnam and Indonesia, with two-thirds of them dying.
  • The World Health Organization predicts the development of a special strain of the virus which could cause a flu pandemic.
  • The addition of a substance that enhances the response of the human immune system enables the vaccine to be produced now, allowing for immediate vaccination in the event of a pandemic.
  • This breakthrough means that a vaccine could be widely available within a much shorter timeframe than usual, potentially mitigating the severity of a flu pandemic.

Statistics:

  • 20 ferrets were used in the vaccine testing at the Erasmus Medical Center in Rotterdam.
  • 350 people have been infected with the H5N1 virus, mainly in Vietnam and Indonesia, with two-thirds of them dying.
  • Millions of poultry have been killed by the H5N1 virus in the last three years, mainly in Asian countries.
  • It typically takes four to six months for a vaccine to be widely available after an outbreak.
  • The number of people infected with the H5N1 virus could increase rapidly if the virus adapts to humans.

Sources:

  • Xinhua via COMTEX, "ViroClinics Tests Vaccine Against Bird Flu on Ferrets", January 3, 2008.
  • De Volkskrant, "Vaccine Against Bird Flu Works on Ferrets", January 3, 2008.
  • World Health Organization, "Avian Influenza (Bird Flu)".