US EditionBird flu virus could risk pandemic worse than COVID if it mutates, France's Institut Pasteur says
Nearly 1,000 human outbreaks with 48% fatality recorded since 2003, and no existing antibodies against H5 strains raise concerns of severe pandemic risk, Institut Pasteur warns.
- This month, France's Institut Pasteur warned the bird flu could cause a pandemic worse than COVID if it mutates to transmit between humans, Dr Marie-Anne Rameix-Welti said.
- Spread among wild birds, poultry and mammals has prompted culling of hundreds of millions of birds, disrupting food supplies and raising prices worldwide.
- WHO data show nearly 1,000 human outbreaks between 2003 and 2025, mainly in Egypt, Indonesia and Vietnam, with 48% fatal; a first-ever human H5N5 case in Washington state this month resulted in the patient's death last week.
- WOAH officials caution that the risk of a human pandemic remains very low, but experts and authorities say preparedness and early response are essential.
- People lack antibodies to H5 strains, and unlike COVID-19, flu viruses can kill healthy individuals including children, raising severity concerns.
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Bird flu virus could risk pandemic worse than COVID if it mutates, France's Institut Pasteur says
The bird flu virus that has been spreading among wild birds, poultry and mammals could lead to a pandemic worse than COVID-19 if it mutates to transmit between humans, the head of France's Institut Pasteur respiratory infections centre said.
With the multiplication of avian influenza in animals, including mammals, the risk of spread in humans is increasing.
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