Bird flu alarm drives world towards once-shunned vaccines

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CASTELNAU-TURSAN, France: French duck farmer Herve Dupouy has culled his flock four times since 2015 to stop the spread of bird flu but as a wave of deadly outbreaks nears his farm once again, he says it's time to accept a solution once considered taboo: Vaccination. 'The goal is that our animals don't fal

CASTELNAU-TURSAN, France: French duck farmer Herve Dupouy has culled his flock four times since 2015 to stop the spread of bird flu but as a wave of deadly outbreaks nears his farm once again, he says it's time to accept a solution once considered taboo: Vaccination.

Besides the cost of culling millions of chickens, ducks, turkeys and geese there is also a growing fear among scientists and governments that if the virus becomes endemic, the chances of it mutating and spreading to humans will only increase. But since early last year, bird flu, or avian influenza, has ravaged farms around the world, leading to the deaths of more than 200 million birds because of the disease or mass culls, the World Organisation for Animal Health told Reuters.

The United States has been hit hardest worldwide in the latest outbreak with a toll of more than 58 million birds in the past year, followed by Canada, while France has suffered the most within the EU, WOAH data showed. Bird flu can also mutate rapidly and reduce the efficacy of vaccines while programmes are costly and time consuming, as shots often need to be administered individually. And even once birds have been vaccinated, flocks need to be monitored.

But countries such as France, which spent 1.1 billion euros last year compensating poultry farmers for their losses, believe it's time to bite the vaccination bullet. France's Ceva Animal Health, one of the main companies developing bird flu vaccines along with Germany's Boehringher Ingelheim, said initial results were"very promising", notably by sharply reducing the excretion of the virus by infected birds.

 

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